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diff --git a/libjava/classpath/java/sql/DatabaseMetaData.java b/libjava/classpath/java/sql/DatabaseMetaData.java
new file mode 100644
index 000000000..3ffd5b0df
--- /dev/null
+++ b/libjava/classpath/java/sql/DatabaseMetaData.java
@@ -0,0 +1,2270 @@
+/* DatabaseMetaData.java -- Information about the database itself.
+   Copyright (C) 1999, 2000, 2001, 2002, 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.sql;
+
+public interface DatabaseMetaData
+{
+  /**
+   * It is unknown whether or not the procedure returns a result.
+   */
+  int procedureResultUnknown = 0;
+
+  /**
+   * The procedure does not return a result.
+   */
+  int procedureNoResult = 1;
+
+  /**
+   * The procedure returns a result.
+   */
+  int procedureReturnsResult = 2;
+
+  /**
+   * The column type is unknown.
+   */
+  int procedureColumnUnknown = 0;
+
+  /**
+   * The column type is input.
+   */
+  int procedureColumnIn = 1;
+
+  /**
+   * The column type is input/output.
+   */
+  int procedureColumnInOut = 2;
+
+  /**
+   * The column type is output
+   */
+  int procedureColumnOut = 4;
+
+  /**
+   * The column is used for return values.
+   */
+  int procedureColumnReturn = 5;
+
+  /**
+   * The column is used for storing results
+   */
+  int procedureColumnResult = 3;
+
+  /**
+   * NULL values are not allowed.
+   */
+  int procedureNoNulls = 0;
+
+  /**
+   * NULL values are allowed.
+   */
+  int procedureNullable = 1;
+
+  /**
+   * It is unknown whether or not NULL values are allowed.
+   */
+  int procedureNullableUnknown = 2;
+
+  /**
+   * The column does not allow NULL
+   */
+  int columnNoNulls = 0;
+
+  /**
+   * The column does allow NULL
+   */
+  int columnNullable = 1;
+
+  /**
+   * It is unknown whether or not the column allows NULL
+   */
+  int columnNullableUnknown = 2;
+
+  /**
+   * The best row's scope is only guaranteed to be valid so long as the
+   * row is actually being used.
+   */
+  int bestRowTemporary = 0;
+
+  /**
+   * The best row identifier is valid to the end of the transaction.
+   */
+  int bestRowTransaction = 1;
+
+  /**
+   * The best row identifier is valid to the end of the session.
+   */
+  int bestRowSession = 2;
+
+  /**
+   * The best row may or may not be a pseudo-column.
+   */
+  int bestRowUnknown = 0;
+
+  /**
+   * The best row identifier is not a pseudo-column.
+   */
+  int bestRowNotPseudo = 1;
+
+  /**
+   * The best row identifier is a pseudo-column.
+   */
+  int bestRowPseudo = 2;
+
+  /**
+   * It is unknown whether or not the version column is a pseudo-column.
+   */
+  int versionColumnUnknown = 0;
+
+  /**
+   * The version column is not a pseudo-column
+   */
+  int versionColumnNotPseudo = 1;
+
+  /**
+   * The version column is a pseudo-column
+   */
+  int versionColumnPseudo = 2;
+
+  /**
+   * Foreign key changes are cascaded in updates or deletes.
+   */
+  int importedKeyCascade = 0;
+
+  /**
+   * Column may not be updated or deleted in use as a foreign key.
+   */
+  int importedKeyRestrict = 1;
+
+  /**
+   * When primary key is updated or deleted, the foreign key is set to NULL.
+   */
+  int importedKeySetNull = 2;
+
+  /**
+   * If the primary key is a foreign key, it cannot be udpated or deleted.
+   */
+  int importedKeyNoAction = 3;
+
+  /**
+   * If the primary key is updated or deleted, the foreign key is set to
+   * a default value.
+   */
+  int importedKeySetDefault = 4;
+
+  /**
+   * Wish I knew what this meant.
+   */
+  int importedKeyInitiallyDeferred = 5;
+
+  /**
+   * Wish I knew what this meant.
+   */
+  int importedKeyInitiallyImmediate = 6;
+
+  /**
+   * Wish I knew what this meant.
+   */
+  int importedKeyNotDeferrable = 7;
+
+  /**
+   * A NULL value is not allowed for this data type.
+   */
+  int typeNoNulls = 0;
+
+  /**
+   * A NULL value is allowed for this data type.
+   */
+  int typeNullable = 1;
+
+  /**
+   * It is unknown whether or not NULL values are allowed for this data type.
+   */
+  int typeNullableUnknown = 2;
+
+  /**
+   * Where clauses are not supported for this type.
+   */
+  int typePredNone = 0;
+
+  /**
+   * Only "WHERE..LIKE" style WHERE clauses are allowed on this data type.
+   */
+  int typePredChar = 1;
+
+  /**
+   * All WHERE clauses except "WHERE..LIKE" style are allowed on this data type.
+   */
+  int typePredBasic = 2;
+
+  /**
+   * Any type of WHERE clause is allowed for this data type.
+   */
+  int typeSearchable = 3;
+
+  /**
+   * This column contains table statistics.
+   */
+  short tableIndexStatistic = 0;
+
+  /**
+   * This table index is clustered.
+   */
+  short tableIndexClustered = 1;
+
+  /**
+   * This table index is hashed.
+   */
+  short tableIndexHashed = 2;
+
+  /**
+   * This table index is of another type.
+   */
+  short tableIndexOther = 3;
+
+  /**
+   * A NULL value is not allowed for this attribute.
+   */
+  short attributeNoNulls = 0;
+
+  /**
+   * A NULL value is allowed for this attribute.
+   */
+  short attributeNullable = 1;
+
+  /**
+   * It is unknown whether or not NULL values are allowed for this attribute.
+   */
+  short attributeNullableUnknown = 2;
+
+  int sqlStateXOpen = 1;
+
+  int sqlStateSQL99 = 2;
+
+  /**
+   * This method tests whether or not all the procedures returned by
+   * the <code>getProcedures</code> method can be called by this user.
+   *
+   * @return <code>true</code> if all the procedures can be called,
+   * <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean allProceduresAreCallable() throws SQLException;
+
+  /**
+   * This method tests whether or not all the table returned by the
+   * <code>getTables</code> method can be selected by this user.
+   *
+   * @return <code>true</code> if all the procedures can be called,
+   * <code>false</code> otherwise.
+   *
+   * @exception SQLException If an error occurs.
+   */
+  boolean allTablesAreSelectable() throws SQLException;
+
+  /**
+   * This method returns the URL for this database.
+   *
+   * @return The URL string for this database, or <code>null</code> if it
+   *         is not known.
+   * @exception SQLException If an error occurs.
+   */
+  String getURL() throws SQLException;
+
+  /**
+   * This method returns the database username for this connection.
+   *
+   * @return The database username.
+   * @exception SQLException If an error occurs.
+   */
+  String getUserName() throws SQLException;
+
+  /**
+   * This method tests whether or not the database is in read only mode.
+   *
+   * @return <code>true</code> if the database is in read only mode,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean isReadOnly() throws SQLException;
+
+  /**
+   * This method tests whether or not NULL's sort as high values.
+   *
+   * @return <code>true</code> if NULL's sort as high values, <code>false</code>
+   *         otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean nullsAreSortedHigh() throws SQLException;
+
+  /**
+   * This method tests whether or not NULL's sort as low values.
+   *
+   * @return <code>true</code> if NULL's sort as low values, <code>false</code>
+   * otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean nullsAreSortedLow() throws SQLException;
+
+  /**
+   * This method tests whether or not NULL's sort as high values.
+   *
+   * @return <code>true</code> if NULL's sort as high values, <code>false</code>
+   * otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean nullsAreSortedAtStart() throws SQLException;
+
+  /**
+   * This method test whether or not NULL's are sorted to the end
+   * of the list regardless of ascending or descending sort order.
+   *
+   * @return <code>true</code> if NULL's always sort to the end,
+   * <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean nullsAreSortedAtEnd() throws SQLException;
+
+  /**
+   * This method returns the name of the database product.
+   *
+   * @return The database product.
+   * @exception SQLException If an error occurs.
+   */
+  String getDatabaseProductName() throws SQLException;
+
+  /**
+   * This method returns the version of the database product.
+   *
+   * @return The version of the database product.
+   * @exception SQLException If an error occurs.
+   */
+  String getDatabaseProductVersion() throws SQLException;
+
+  /**
+   * This method returns the name of the JDBC driver.
+   *
+   * @return The name of the JDBC driver.
+   * @exception SQLException If an error occurs.
+   */
+  String getDriverName() throws SQLException;
+
+  /**
+   * This method returns the version of the JDBC driver.
+   *
+   * @return The version of the JDBC driver.
+   * @exception SQLException If an error occurs.
+   */
+  String getDriverVersion() throws SQLException;
+
+  /**
+   * This method returns the major version number of the JDBC driver.
+   *
+   * @return The major version number of the JDBC driver.
+   */
+  int getDriverMajorVersion();
+
+  /**
+   * This method returns the minor version number of the JDBC driver.
+   *
+   * @return The minor version number of the JDBC driver.
+   */
+  int getDriverMinorVersion();
+
+  /**
+   * This method tests whether or not the database uses local files to
+   * store tables.
+   *
+   * @return <code>true</code> if the database uses local files,
+   * <code>false</code> otherwise.
+   *
+   * @exception SQLException If an error occurs.
+   */
+  boolean usesLocalFiles() throws SQLException;
+
+  /**
+   * This method tests whether or not the database uses a separate file for
+   * each table.
+   *
+   * @return <code>true</code> if the database uses a separate file for each
+   * table <code>false</code> otherwise.
+   *
+   * @exception SQLException If an error occurs.
+   */
+  boolean usesLocalFilePerTable() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports identifiers
+   * with mixed case.
+   *
+   * @return <code>true</code> if the database supports mixed case identifiers,
+   * <code>false</code> otherwise.
+   *
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsMixedCaseIdentifiers() throws SQLException;
+
+  /**
+   * This method tests whether or not the database treats mixed case
+   * identifiers as all upper case.
+   *
+   * @return <code>true</code> if the database treats all identifiers as
+   *         upper case, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean storesUpperCaseIdentifiers() throws SQLException;
+
+  /**
+   * This method tests whether or not the database treats mixed case
+   * identifiers as all lower case.
+   *
+   * @return <code>true</code> if the database treats all identifiers as
+   *         lower case, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean storesLowerCaseIdentifiers() throws SQLException;
+
+  /**
+   * This method tests whether or not the database stores mixed case
+   * identifers even if it treats them as case insensitive.
+   *
+   * @return <code>true</code> if the database stores mixed case identifiers,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean storesMixedCaseIdentifiers() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports quoted identifiers
+   * with mixed case.
+   *
+   * @return <code>true</code> if the database supports mixed case quoted
+   *         identifiers, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsMixedCaseQuotedIdentifiers() throws SQLException;
+
+  /**
+   * This method tests whether or not the database treats mixed case
+   * quoted identifiers as all upper case.
+   *
+   * @return <code>true</code> if the database treats all quoted identifiers
+   *         as upper case, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean storesUpperCaseQuotedIdentifiers() throws SQLException;
+
+  /**
+   * This method tests whether or not the database treats mixed case
+   * quoted identifiers as all lower case.
+   *
+   * @return <code>true</code> if the database treats all quoted identifiers
+   *         as lower case, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean storesLowerCaseQuotedIdentifiers() throws SQLException;
+
+  /**
+   * This method tests whether or not the database stores mixed case
+   * quoted identifers even if it treats them as case insensitive.
+   *
+   * @return <code>true</code> if the database stores mixed case quoted
+   *         identifiers, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean storesMixedCaseQuotedIdentifiers() throws SQLException;
+
+  /**
+   * This metohd returns the quote string for SQL identifiers.
+   *
+   * @return The quote string for SQL identifers, or a space if quoting
+   *         is not supported.
+   * @exception SQLException If an error occurs.
+   */
+  String getIdentifierQuoteString() throws SQLException;
+
+  /**
+   * This method returns a comma separated list of all the SQL keywords in
+   * the database that are not in SQL92.
+   *
+   * @return The list of SQL keywords not in SQL92.
+   * @exception SQLException If an error occurs.
+   */
+  String getSQLKeywords() throws SQLException;
+
+  /**
+   * This method returns a comma separated list of math functions.
+   *
+   * @return The list of math functions.
+   * @exception SQLException If an error occurs.
+   */
+  String getNumericFunctions() throws SQLException;
+
+  /**
+   * This method returns a comma separated list of string functions.
+   *
+   * @return The list of string functions.
+   * @exception SQLException If an error occurs.
+   */
+  String getStringFunctions() throws SQLException;
+
+  /**
+   * This method returns a comma separated list of of system functions.
+   *
+   * @return A comma separated list of system functions.
+   * @exception SQLException If an error occurs.
+   */
+  String getSystemFunctions() throws SQLException;
+
+  /**
+   * This method returns comma separated list of time/date functions.
+   *
+   * @return The list of time/date functions.
+   * @exception SQLException If an error occurs.
+   */
+  String getTimeDateFunctions() throws SQLException;
+
+  /**
+   * This method returns the string used to escape wildcards in search strings.
+   *
+   * @return The string used to escape wildcards in search strings.
+   * @exception SQLException If an error occurs.
+   */
+  String getSearchStringEscape() throws SQLException;
+
+  /**
+   * This methods returns non-standard characters that can appear in
+   * unquoted identifiers.
+   *
+   * @return Non-standard characters that can appear in unquoted identifiers.
+   * @exception SQLException If an error occurs.
+   */
+  String getExtraNameCharacters() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports
+   * "ALTER TABLE ADD COLUMN"
+   *
+   * @return <code>true</code> if column add supported, <code>false</code>
+   *         otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsAlterTableWithAddColumn() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports
+   * "ALTER TABLE DROP COLUMN"
+   *
+   * @return <code>true</code> if column drop supported, <code>false</code>
+   *         otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsAlterTableWithDropColumn() throws SQLException;
+
+  /**
+   * This method tests whether or not column aliasing is supported.
+   *
+   * @return <code>true</code> if column aliasing is supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsColumnAliasing() throws SQLException;
+
+  /**
+   * This method tests whether the concatenation of a NULL and non-NULL
+   * value results in a NULL.  This will always be true in fully JDBC compliant
+   * drivers.
+   *
+   * @return <code>true</code> if concatenating NULL and a non-NULL value
+   *         returns a NULL, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean nullPlusNonNullIsNull() throws SQLException;
+
+  /**
+   * Tests whether or not CONVERT is supported.
+   *
+   * @return <code>true</code> if CONVERT is supported, <code>false</code>
+   *         otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsConvert() throws SQLException;
+
+  /**
+   * This method tests whether or not CONVERT can be performed between the
+   * specified types.  The types are contants from <code>Types</code>.
+   *
+   * @param fromType The SQL type to convert from.
+   * @param toType The SQL type to convert to.
+   * @return <code>true</code> if the conversion can be performed,
+   *         <code>false</code> otherwise.
+   * @see Types
+   */
+  boolean supportsConvert(int fromType, int toType) throws
+      SQLException;
+
+  /**
+   * This method tests whether or not table correlation names are
+   * supported.  This will be always be <code>true</code> in a fully JDBC
+   * compliant driver.
+   *
+   * @return <code>true</code> if table correlation names are supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsTableCorrelationNames() throws SQLException;
+
+  /**
+   * This method tests whether correlation names must be different from the
+   * name of the table.
+   *
+   * @return <code>true</code> if the correlation name must be different from
+   *         the table name, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsDifferentTableCorrelationNames() throws SQLException;
+
+  /**
+   * This method tests whether or not expressions are allowed in an
+   * ORDER BY lists.
+   *
+   * @return <code>true</code> if expressions are allowed in ORDER BY
+   *         lists, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsExpressionsInOrderBy() throws SQLException;
+
+  /**
+   * This method tests whether or ORDER BY on a non-selected column is
+   * allowed.
+   *
+   * @return <code>true</code> if a non-selected column can be used in an
+   *         ORDER BY, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsOrderByUnrelated() throws SQLException;
+
+  /**
+   * This method tests whether or not GROUP BY is supported.
+   *
+   * @return <code>true</code> if GROUP BY is supported, <code>false</code>
+   *         otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsGroupBy() throws SQLException;
+
+  /**
+   * This method tests whether GROUP BY on a non-selected column is
+   * allowed.
+   *
+   * @return <code>true</code> if a non-selected column can be used in a
+   *         GROUP BY, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsGroupByUnrelated() throws SQLException;
+
+  /**
+   * This method tests whether or not a GROUP BY can add columns not in the
+   * select if it includes all the columns in the select.
+   *
+   * @return <code>true</code> if GROUP BY an add columns provided it includes
+   *         all columns in the select, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsGroupByBeyondSelect() throws SQLException;
+
+  /**
+   * This method tests whether or not the escape character is supported in
+   * LIKE expressions.  A fully JDBC compliant driver will always return
+   * <code>true</code>.
+   *
+   * @return <code>true</code> if escapes are supported in LIKE expressions,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsLikeEscapeClause() throws SQLException;
+
+  /**
+   * This method tests whether multiple result sets for a single statement are
+   * supported.
+   *
+   * @return <code>true</code> if multiple result sets are supported for a
+   *         single statement, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsMultipleResultSets() throws SQLException;
+
+  /**
+   * This method test whether or not multiple transactions may be open
+   * at once, as long as they are on different connections.
+   *
+   * @return <code>true</code> if multiple transactions on different
+   *         connections are supported, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsMultipleTransactions() throws SQLException;
+
+  /**
+   * This method tests whether or not columns can be defined as NOT NULL.  A
+   * fully JDBC compliant driver always returns <code>true</code>.
+   *
+   * @return <code>true</code> if NOT NULL columns are supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsNonNullableColumns() throws SQLException;
+
+  /**
+   * This method tests whether or not the minimum grammer for ODBC is supported.
+   * A fully JDBC compliant driver will always return <code>true</code>.
+   *
+   * @return <code>true</code> if the ODBC minimum grammar is supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsMinimumSQLGrammar() throws SQLException;
+
+  /**
+   * This method tests whether or not the core grammer for ODBC is supported.
+   *
+   * @return <code>true</code> if the ODBC core grammar is supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsCoreSQLGrammar() throws SQLException;
+
+  /**
+   * This method tests whether or not the extended grammer for ODBC is supported.
+   *
+   * @return <code>true</code> if the ODBC extended grammar is supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsExtendedSQLGrammar() throws SQLException;
+
+  /**
+   * This method tests whether or not the ANSI92 entry level SQL
+   * grammar is supported.  A fully JDBC compliant drivers must return
+   * <code>true</code>.
+   *
+   * @return <code>true</code> if the ANSI92 entry level SQL grammar is
+   *         supported, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsANSI92EntryLevelSQL() throws SQLException;
+
+  /**
+   * This method tests whether or not the ANSI92 intermediate SQL
+   * grammar is supported.
+   *
+   * @return <code>true</code> if the ANSI92 intermediate SQL grammar is
+   *         supported, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsANSI92IntermediateSQL() throws SQLException;
+
+  /**
+   * This method tests whether or not the ANSI92 full SQL
+   * grammar is supported.
+   *
+   * @return <code>true</code> if the ANSI92 full SQL grammar is
+   *         supported, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsANSI92FullSQL() throws SQLException;
+
+  /**
+   * This method tests whether or not the SQL integrity enhancement
+   * facility is supported.
+   *
+   * @return <code>true</code> if the integrity enhancement facility is
+   *         supported, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsIntegrityEnhancementFacility() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports outer joins.
+   *
+   * @return <code>true</code> if outer joins are supported, <code>false</code>
+   *         otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsOuterJoins() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports full outer joins.
+   *
+   * @return <code>true</code> if full outer joins are supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsFullOuterJoins() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports limited outer joins.
+   *
+   * @return <code>true</code> if limited outer joins are supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsLimitedOuterJoins() throws SQLException;
+
+  /**
+   * This method returns the vendor's term for "schema".
+   *
+   * @return The vendor's term for schema.
+   * @exception SQLException if an error occurs.
+   */
+  String getSchemaTerm() throws SQLException;
+
+  /**
+   * This method returns the vendor's term for "procedure".
+   *
+   * @return The vendor's term for procedure.
+   * @exception SQLException if an error occurs.
+   */
+  String getProcedureTerm() throws SQLException;
+
+  /**
+   * This method returns the vendor's term for "catalog".
+   *
+   * @return The vendor's term for catalog.
+   * @exception SQLException if an error occurs.
+   */
+  String getCatalogTerm() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name appears at the beginning of
+   * a fully qualified table name.
+   *
+   * @return <code>true</code> if the catalog name appears at the beginning,
+   *         <code>false</code> if it appears at the end.
+   * @exception SQLException If an error occurs.
+   */
+  boolean isCatalogAtStart() throws SQLException;
+
+  /**
+   * This method returns the separator between the catalog name and the
+   * table name.
+   *
+   * @return The separator between the catalog name and the table name.
+   * @exception SQLException If an error occurs.
+   */
+  String getCatalogSeparator() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in a data
+   * manipulation statement.
+   *
+   * @return <code>true</code> if a catalog name can appear in a data
+   *         manipulation statement, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSchemasInDataManipulation() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in a procedure
+   * call
+   *
+   * @return <code>true</code> if a catalog name can appear in a procedure
+   *         call, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSchemasInProcedureCalls() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in a table definition.
+   *
+   * @return <code>true</code> if a catalog name can appear in a table
+   *         definition, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSchemasInTableDefinitions() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in an index definition.
+   *
+   * @return <code>true</code> if a catalog name can appear in an index
+   *         definition, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSchemasInIndexDefinitions() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in privilege definitions.
+   *
+   * @return <code>true</code> if a catalog name can appear in privilege
+   *         definition, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSchemasInPrivilegeDefinitions() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in a data
+   * manipulation statement.
+   *
+   * @return <code>true</code> if a catalog name can appear in a data
+   *         manipulation statement, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsCatalogsInDataManipulation() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in a procedure
+   * call
+   *
+   * @return <code>true</code> if a catalog name can appear in a procedure
+   *         call, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsCatalogsInProcedureCalls() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in a table definition.
+   *
+   * @return <code>true</code> if a catalog name can appear in a table
+   *         definition, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsCatalogsInTableDefinitions() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in an index definition.
+   *
+   * @return <code>true</code> if a catalog name can appear in an index
+   *         definition, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsCatalogsInIndexDefinitions() throws SQLException;
+
+  /**
+   * This method tests whether a catalog name can appear in privilege definitions.
+   *
+   * @return <code>true</code> if a catalog name can appear in privilege
+   *         definition, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException;
+
+  /**
+   * This method tests whether or not that database supports positioned
+   * deletes.
+   *
+   * @return <code>true</code> if positioned deletes are supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsPositionedDelete() throws SQLException;
+
+  /**
+   * This method tests whether or not that database supports positioned
+   * updates.
+   *
+   * @return <code>true</code> if positioned updates are supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsPositionedUpdate() throws SQLException;
+
+  /**
+   * This method tests whether or not SELECT FOR UPDATE is supported by the
+   * database.
+   *
+   * @return <code>true</code> if SELECT FOR UPDATE is supported
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSelectForUpdate() throws SQLException;
+
+  /**
+   * This method tests whether or not stored procedures are supported on
+   * this database.
+   *
+   * @return <code>true</code> if stored procedures are supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsStoredProcedures() throws SQLException;
+
+  /**
+   * This method tests whether or not subqueries are allowed in comparisons.
+   * A fully JDBC compliant driver will always return <code>true</code>.
+   *
+   * @return <code>true</code> if subqueries are allowed in comparisons,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSubqueriesInComparisons() throws SQLException;
+
+  /**
+   * This method tests whether or not subqueries are allowed in exists
+   * expressions.  A fully JDBC compliant driver will always return
+   * <code>true</code>.
+   *
+   * @return <code>true</code> if subqueries are allowed in exists
+   *         expressions, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSubqueriesInExists() throws SQLException;
+
+  /**
+   * This method tests whether subqueries are allowed in IN statements.
+   * A fully JDBC compliant driver will always return <code>true</code>.
+   *
+   * @return <code>true</code> if the driver supports subqueries in IN
+   *         statements, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSubqueriesInIns() throws SQLException;
+
+  /**
+   * This method tests whether or not subqueries are allowed in quantified
+   * expressions.  A fully JDBC compliant driver will always return
+   * <code>true</code>.
+   *
+   * @return <code>true</code> if subqueries are allowed in quantified
+   *         expressions, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsSubqueriesInQuantifieds() throws SQLException;
+
+  /**
+   * This method test whether or not correlated subqueries are allowed. A
+   * fully JDBC compliant driver will always return <code>true</code>.
+   *
+   * @return <code>true</code> if correlated subqueries are allowed,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsCorrelatedSubqueries() throws SQLException;
+
+  /**
+   * This method tests whether or not the UNION statement is supported.
+   *
+   * @return <code>true</code> if UNION is supported, <code>false</code>
+   *         otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsUnion() throws SQLException;
+
+  /**
+   * This method tests whether or not the UNION ALL statement is supported.
+   *
+   * @return <code>true</code> if UNION ALL is supported, <code>false</code>
+   *         otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsUnionAll() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports cursors
+   * remaining open across commits.
+   *
+   * @return <code>true</code> if cursors can remain open across commits,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsOpenCursorsAcrossCommit() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports cursors
+   * remaining open across rollbacks.
+   *
+   * @return <code>true</code> if cursors can remain open across rollbacks,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsOpenCursorsAcrossRollback() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports statements
+   * remaining open across commits.
+   *
+   * @return <code>true</code> if statements can remain open across commits,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsOpenStatementsAcrossCommit() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports statements
+   * remaining open across rollbacks.
+   *
+   * @return <code>true</code> if statements can remain open across rollbacks,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsOpenStatementsAcrossRollback() throws SQLException;
+
+  /**
+   * This method returns the number of hex characters allowed in an inline
+   * binary literal.
+   *
+   * @return The number of hex characters allowed in a binary literal, 0 meaning
+   *         either an unknown or unlimited number.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxBinaryLiteralLength() throws SQLException;
+
+  /**
+   * This method returns the maximum length of a character literal.
+   *
+   * @return The maximum length of a character literal.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxCharLiteralLength() throws SQLException;
+
+  /**
+   * This method returns the maximum length of a column name.
+   *
+   * @return The maximum length of a column name.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxColumnNameLength() throws SQLException;
+
+  /**
+   * This method returns the maximum number of columns in a GROUP BY statement.
+   *
+   * @return The maximum number of columns in a GROUP BY statement.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxColumnsInGroupBy() throws SQLException;
+
+  /**
+   * This method returns the maximum number of columns in an index.
+   *
+   * @return The maximum number of columns in an index.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxColumnsInIndex() throws SQLException;
+
+  /**
+   * This method returns the maximum number of columns in an ORDER BY statement.
+   *
+   * @return The maximum number of columns in an ORDER BY statement.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxColumnsInOrderBy() throws SQLException;
+
+  /**
+   * This method returns the maximum number of columns in a SELECT statement.
+   *
+   * @return The maximum number of columns in a SELECT statement.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxColumnsInSelect() throws SQLException;
+
+  /**
+   * This method returns the maximum number of columns in a table.
+   *
+   * @return The maximum number of columns in a table.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxColumnsInTable() throws SQLException;
+
+  /**
+   * This method returns the maximum number of connections this client
+   * can have to the database.
+   *
+   * @return The maximum number of database connections.
+   * @SQLException If an error occurs.
+   */
+  int getMaxConnections() throws SQLException;
+
+  /**
+   * This method returns the maximum length of a cursor name.
+   *
+   * @return The maximum length of a cursor name.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxCursorNameLength() throws SQLException;
+
+  /**
+   * This method returns the maximum length of an index.
+   *
+   * @return The maximum length of an index.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxIndexLength() throws SQLException;
+
+  /**
+   * This method returns the maximum length of a schema name.
+   *
+   * @return The maximum length of a schema name.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxSchemaNameLength() throws SQLException;
+
+  /**
+   * This method returns the maximum length of a procedure name.
+   *
+   * @return The maximum length of a procedure name.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxProcedureNameLength() throws SQLException;
+
+  /**
+   * This method returns the maximum length of a catalog name.
+   *
+   * @return The maximum length of a catalog name.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxCatalogNameLength() throws SQLException;
+
+  /**
+   * This method returns the maximum size of a row in bytes.
+   *
+   * @return The maximum size of a row.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxRowSize() throws SQLException;
+
+  /**
+   * This method tests whether or not the maximum row size includes BLOB's
+   *
+   * @return <code>true</code> if the maximum row size includes BLOB's,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean doesMaxRowSizeIncludeBlobs() throws SQLException;
+
+  /**
+   * This method includes the maximum length of a SQL statement.
+   *
+   * @return The maximum length of a SQL statement.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxStatementLength() throws SQLException;
+
+  /**
+   * This method returns the maximum number of statements that can be
+   * active at any time.
+   *
+   * @return The maximum number of statements that can be active at any time.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxStatements() throws SQLException;
+
+  /**
+   * This method returns the maximum length of a table name.
+   *
+   * @return The maximum length of a table name.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxTableNameLength() throws SQLException;
+
+  /**
+   * This method returns the maximum number of tables that may be referenced
+   * in a SELECT statement.
+   *
+   * @return The maximum number of tables allowed in a SELECT statement.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxTablesInSelect() throws SQLException;
+
+  /**
+   * This method returns the maximum length of a user name.
+   *
+   * @return The maximum length of a user name.
+   * @exception SQLException If an error occurs.
+   */
+  int getMaxUserNameLength() throws SQLException;
+
+  /**
+   * This method returns the default transaction isolation level of the
+   * database.
+   *
+   * @return The default transaction isolation level of the database.
+   * @exception SQLException If an error occurs.
+   * @see Connection
+   */
+  int getDefaultTransactionIsolation() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports transactions.
+   *
+   * @return <code>true</code> if the database supports transactions,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsTransactions() throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports the specified
+   * transaction isolation level.
+   *
+   * @param level The transaction isolation level.
+   *
+   * @return <code>true</code> if the specified transaction isolation level
+   *         is supported, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsTransactionIsolationLevel(int level) throws
+      SQLException;
+
+  /**
+   * This method tests whether or not DDL and DML statements allowed within
+   * the same transaction.
+   *
+   * @return <code>true</code> if DDL and DML statements are allowed in the
+   *         same transaction, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsDataDefinitionAndDataManipulationTransactions()
+      throws SQLException;
+
+  /**
+   * This method tests whether or not only DML statement are allowed
+   * inside a transaction.
+   *
+   * @return <code>true</code> if only DML statements are allowed in
+   *         transactions, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsDataManipulationTransactionsOnly() throws
+      SQLException;
+
+  /**
+   * This method tests whether or not a DDL statement will cause the
+   * current transaction to be automatically committed.
+   *
+   * @return <code>true</code> if DDL causes an immediate transaction commit,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean dataDefinitionCausesTransactionCommit() throws SQLException;
+
+  /**
+   * This method tests whether or not DDL statements are ignored in
+   * transactions.
+   *
+   * @return <code>true</code> if DDL statements are ignored in transactions,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean dataDefinitionIgnoredInTransactions() throws SQLException;
+
+  /**
+   * This method returns a list of all the stored procedures matching the
+   * specified pattern in the given schema and catalog.  This is returned
+   * a <code>ResultSet</code> with the following columns:
+   * <p>
+   * <ol>
+   * <li>PROCEDURE_CAT - The catalog the procedure is in, which may be
+   * <code>null</code>.</li>
+   * <li>PROCEDURE_SCHEM - The schema the procedures is in, which may be
+   * <code>null</code>.</li>
+   * <li>PROCEDURE_NAME - The name of the procedure.</li>
+   * <li>Unused</li>
+   * <li>Unused</li>
+   * <li>Unused</li>
+   * <li>REMARKS - A description of the procedure</li>
+   * <li>PROCEDURE_TYPE - Indicates the return type of the procedure, which
+   * is one of the contstants defined in this class
+   * (<code>procedureResultUnknown</code>, <code>procedureNoResult</code>, or
+   * <code>procedureReturnsResult</code>).</li>
+   * </ol>
+   *
+   * @param catalog The name of the catalog to return stored procedured from,
+   *        or "" to return procedures from all catalogs.
+   * @param schemaPattern A schema pattern for the schemas to return stored
+   *        procedures from, or "" to return procedures from all schemas.
+   * @param procedurePattern The pattern of procedure names to return.
+   * @returns A <code>ResultSet</code> with all the requested procedures.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getProcedures(String catalog, String schemaPattern, String
+      procedurePattern) throws SQLException;
+
+  /**
+   * This method returns a list of the parameter and result columns for
+   * the requested stored procedures.  This is returned in the form of a
+   * <code>ResultSet</code> with the following columns:
+   * <p>
+   * <ol>
+   * <li>PROCEDURE_CAT - The catalog the procedure is in, which may be
+   * <code>null</code>.</li>
+   * <li>PROCEDURE_SCHEM - The schema the procedures is in, which may be
+   * <code>null</code>.</li>
+   * <li>PROCEDURE_NAME - The name of the procedure.</li>
+   * <li>COLUMN_NAME - The name of the column</li>
+   * <li>COLUMN_TYPE - The type of the column, which will be one of the
+   * contants defined in this class (<code>procedureColumnUnknown</code>,
+   * <code>procedureColumnIn</code>, <code>procedureColumnInOut</code>,
+   * <code>procedureColumnOut</code>, <code>procedureColumnReturn</code>,
+   * or <code>procedureColumnResult</code>).</li>
+   * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+   * defined in <code>Types</code>.</li>
+   * <li>TYPE_NAME - The string name of the data type for this column.</li>
+   * <li>PRECISION - The precision of the column.</li>
+   * <li>LENGTH - The length of the column in bytes</li>
+   * <li>SCALE - The scale of the column.</li>
+   * <li>RADIX - The radix of the column.</li>
+   * <li>NULLABLE - Whether or not the column is NULLABLE.  This is one of
+   * the constants defined in this class (<code>procedureNoNulls</code>,
+   * <code>procedureNullable</code>, or <code>procedureNullableUnknown</code>)</li>
+   * <li>REMARKS - A description of the column.</li>
+   * </ol>
+   *
+   * @param catalog The name of the catalog to return stored procedured from,
+   *        or "" to return procedures from all catalogs.
+   * @param schemaPattern A schema pattern for the schemas to return stored
+   *        procedures from, or "" to return procedures from all schemas.
+   * @param procedurePattern The pattern of procedures names to return.
+   * @param columnPattern The pattern of column names to return.
+   * @returns A <code>ResultSet</code> with all the requested procedures.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getProcedureColumns(String catalog, String schemaPattern,
+      String procedurePattern, String columnPattern) throws
+      SQLException;
+
+  /**
+   * This method returns a list of the requested table as a
+   * <code>ResultSet</code> with the following columns:
+   *
+   * <ol>
+   * <li>TABLE_CAT - The catalog the table is in, which may be <code>null</code>.</li>
+   * <li>TABLE_SCHEM - The schema the table is in, which may be <code>null</code>.</li>
+   * <li>TABLE_NAME - The name of the table.</li>
+   * <li>TABLE_TYPE - A string describing the table type.  This will be one
+   * of the values returned by the <code>getTableTypes()</code> method.</li>
+   * <li>REMARKS - Comments about the table.</li>
+   * </ol>
+   *
+   * @param catalog The name of the catalog to return tables from,
+   *        or "" to return tables from all catalogs.
+   * @param schemaPattern A schema pattern for the schemas to return tables
+   *        from, or "" to return tables from all schemas.
+   * @param tablePattern The pattern of table names to return.
+   * @param types The list of table types to include; null returns all types.
+   * @returns A <code>ResultSet</code> with all the requested tables.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getTables(String catalog, String schemaPattern, String
+      tablePattern, String[] types) throws SQLException;
+
+  /**
+   * This method returns the list of database schemas as a
+   * <code>ResultSet</code>, with one column - TABLE_SCHEM - that is the
+   * name of the schema.
+   *
+   * @return A <code>ResultSet</code> with all the requested schemas.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getSchemas() throws SQLException;
+
+  /**
+   * This method returns the list of database catalogs as a
+   * <code>ResultSet</code> with one column - TABLE_CAT - that is the
+   * name of the catalog.
+   *
+   * @return A <code>ResultSet</code> with all the requested catalogs.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getCatalogs() throws SQLException;
+
+  /**
+   * This method returns the list of database table types as a
+   * <code>ResultSet</code> with one column - TABLE_TYPE - that is the
+   * name of the table type.
+   *
+   * @return A <code>ResultSet</code> with all the requested table types.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getTableTypes() throws SQLException;
+
+  /**
+   * This method returns a list of the tables columns for
+   * the requested tables.  This is returned in the form of a
+   * <code>ResultSet</code> with the following columns:
+   * <p>
+   * <ol>
+   * <li>TABLE_CAT - The catalog the table is in, which may be
+   * <code>null</code>.</li>
+   * <li>TABLE_SCHEM - The schema the tables is in, which may be
+   * <code>null</code>.</li>
+   * <li>TABLE_NAME - The name of the table.</li>
+   * <li>COLUMN_NAME - The name of the column</li>
+   * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+   * defined in <code>Types</code>.</li>
+   * <li>TYPE_NAME - The string name of the data type for this column.</li>
+   * <li>COLUMN_SIZE - The size of the column.</li>
+   * <li>Unused</li>
+   * <li>NUM_PREC_RADIX - The radix of the column.</li>
+   * <li>NULLABLE - Whether or not the column is NULLABLE.  This is one of
+   * the constants defined in this class (<code>tableNoNulls</code>,
+   * <code>tableNullable</code>, or <code>tableNullableUnknown</code>)</li>
+   * <li>REMARKS - A description of the column.</li>
+   * <li>COLUMN_DEF - The default value for the column, may be <code>null</code>.</li>
+   * <li>SQL_DATA_TYPE - Unused</li>
+   * <li>SQL_DATETIME_SUB - Unused</li>
+   * <li>CHAR_OCTET_LENGTH - For character columns, the maximum number of bytes
+   * in the column.</li>
+   * <li>ORDINAL_POSITION - The index of the column in the table.</li>
+   * <li>IS_NULLABLE - "NO" means no, "YES" means maybe, and an empty string
+   * means unknown.</li>
+   * </ol>
+   *
+   * @param catalog The name of the catalog to return table from,
+   * or "" to return tables from all catalogs.
+   * @param schemaPattern A schema pattern for the schemas to return
+   * tables from, or "" to return tables from all schemas.
+   * @param tablePattern The pattern of table names to return.
+   * @param columnPattern The pattern of column names to return.
+   * @returns A <code>ResultSet</code> with all the requested tables.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getColumns(String catalog, String schemaPattern, String
+      tablePattern, String columnPattern) throws SQLException;
+
+  /**
+   * This method returns the access rights that have been granted to the
+   * requested columns.  This information is returned as a <code>ResultSet</code>
+   * with the following columns:
+   *
+   * <ol>
+   * <li>TABLE_CAT - The catalog the table is in, which may be
+   * <code>null</code>.</li>
+   * <li>TABLE_SCHEM - The schema the tables is in, which may be
+   * <code>null</code>.</li>
+   * <li>TABLE_NAME - The name of the table.</li>
+   * <li>COLUMN_NAME - The name of the column.</li>
+   * <li>GRANTOR - The entity that granted the access.</li>
+   * <li>GRANTEE - The entity granted the access.</li>
+   * <li>PRIVILEGE - The name of the privilege granted.</li>
+   * <li>IS_GRANTABLE - "YES" if the grantee can grant the privilege to
+   * others, "NO" if not, and <code>null</code> if unknown.</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   *        to return entities not associated with a catalog, or <code>null</code>
+   *        to return information from all catalogs.
+   * @param schema The schema to retrieve information from, or the empty string
+   *        to return entities not associated with a schema.
+   * @param tableName The table name to return information for.
+   * @param columnPattern A pattern of column names to return information for.
+   * @return A <code>ResultSet</code> with all the requested privileges.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getColumnPrivileges(String catalog, String schema, String
+      tableName, String columnPattern) throws SQLException;
+
+  /**
+   * This method returns the access rights that have been granted to the
+   * requested tables.  This information is returned as a <code>ResultSet</code>
+   * with the following columns:
+   *
+   * <ol>
+   * <li>TABLE_CAT - The catalog the table is in, which may be
+   * <code>null</code>.</li>
+   * <li>TABLE_SCHEM - The schema the tables is in, which may be
+   * <code>null</code>.</li>
+   * <li>TABLE_NAME - The name of the table.</li>
+   * <li>GRANTOR - The entity that granted the access.</li>
+   * <li>GRANTEE - The entity granted the access.</li>
+   * <li>PRIVILEGE - The name of the privilege granted.</li>
+   * <li>IS_GRANTABLE - "YES" if the grantee can grant the privilege to
+   * others, "NO" if not, and <code>null</code> if unknown.</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   *        to return entities not associated with a catalog, or <code>null</code>
+   *        to return information from all catalogs.
+   * @param schemaPattern The schema to retrieve information from, or the empty string
+   *        to return entities not associated with a schema.
+   * @param tablePattern The table name pattern of tables to return
+   *        information for.
+   * @return A <code>ResultSet</code> with all the requested privileges.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getTablePrivileges(String catalog, String schemaPattern,
+      String tablePattern) throws SQLException;
+
+  /**
+   * This method returns the best set of columns for uniquely identifying
+   * a row.  It returns this information as a <code>ResultSet</code> with
+   * the following columns:
+   *
+   * <ol>
+   * <li>SCOPE - The scope of the results returned.  This is one of the
+   * constants defined in this class (<code>bestRowTemporary</code>,
+   * <code>bestRowTransaction</code>, or <code>bestRowSession</code>).</li>
+   * <li>COLUMN_NAME - The name of the column.</li>
+   * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+   * defined in <code>Types</code>.</li>
+   * <li>TYPE_NAME - The string name of the data type for this column.</li>
+   * <li>COLUMN_SIZE - The precision of the columns</li>
+   * <li>BUFFER_LENGTH - Unused</li>
+   * <li>DECIMAL_DIGITS - The scale of the column.</li>
+   * <li>PSEUDO_COLUMN - Whether or not the best row identifier is a
+   * pseudo_column.  This is one of the constants defined in this class
+   * (<code>bestRowUnknown</code>, <code>bestRowNotPseudo</code>, or
+   * <code>bestRowPseudo</code>).</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   * to return entities not associated with a catalog, or <code>null</code>
+   * to return information from all catalogs.
+   * @param schema The schema to retrieve information from, or the empty string
+   * to return entities not associated with a schema.
+   * @param tableName The table name to return information for.
+   * @param scope One of the best row id scope constants from this class.
+   * @param nullable <code>true</code> to include columns that are nullable,
+   * <code>false</code> otherwise.
+   * @return A <code>ResultSet</code> with the best row identifier.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getBestRowIdentifier(String catalog, String schema,
+    String tableName, int scope, boolean nullable) throws SQLException;
+
+  /**
+   * This method returns the set of columns that are automatically updated
+   * when the row is update. It returns this information as a
+   * <code>ResultSet</code> with the following columns:
+   *
+   * <ol>
+   * <li>SCOPE - Unused</li>
+   * <li>COLUMN_NAME - The name of the column.</li>
+   * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+   * defined in <code>Types</code>.</li>
+   * <li>TYPE_NAME - The string name of the data type for this column.</li>
+   * <li>COLUMN_SIZE - The precision of the columns</li>
+   * <li>BUFFER_LENGTH - Unused</li>
+   * <li>DECIMAL_DIGITS - The scale of the column.</li>
+   * <li>PSEUDO_COLUMN - Whether or not the best row identifier is a
+   * pseudo_column.  This is one of the constants defined in this class
+   * (<code>versionRowUnknown</code>, <code>versionRowNotPseudo</code>, or
+   * <code>versionRowPseudo</code>).</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   *        to return entities not associated with a catalog, or <code>null</code>
+   *        to return information from all catalogs.
+   * @param schema The schema to retrieve information from, or the empty string
+   *        to return entities not associated with a schema.
+   * @param tableName The table name to return information for
+   * @return A <code>ResultSet</code> with the version columns.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getVersionColumns(String catalog, String schema,
+    String tableName) throws SQLException;
+
+  /**
+   * This method returns a list of a table's primary key columns.  These
+   * are returned as a <code>ResultSet</code> with the following columns.
+   *
+   * <ol>
+   * <li>TABLE_CAT - The catalog of the table, which may be <code>null</code>.</li>
+   * <li>TABLE_SCHEM - The schema of the table, which may be <code>null</code>.</li>
+   * <li>TABLE_NAME - The name of the table.</li>
+   * <li>COLUMN_NAME - The name of the column.</li>
+   * <li>KEY_SEQ - The sequence number of the column within the primary key.</li>
+   * <li>PK_NAME - The name of the primary key, which may be <code>null</code>.</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   *        to return entities not associated with a catalog, or <code>null</code>
+   *        to return information from all catalogs.
+   * @param schema The schema to retrieve information from, or the empty string
+   *        to return entities not associated with a schema.
+   * @param tableName The table name to return information for.
+   * @return A <code>ResultSet</code> with the primary key columns.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getPrimaryKeys(String catalog, String schema, String tableName)
+      throws SQLException;
+
+  /**
+   * This method returns a list of the table's foreign keys.  These are
+   * returned as a <code>ResultSet</code> with the following columns:
+   *
+   * <ol>
+   * <li>PKTABLE_CAT - The catalog of the table the key was imported from.</li>
+   * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.</li>
+   * <li>PKTABLE_NAME - The name of the table the key was imported from.</li>
+   * <li>PKCOLUMN_NAME - The name of the column that was imported.</li>
+   * <li>FKTABLE_CAT - The foreign key catalog name.</li>
+   * <li>FKTABLE_SCHEM - The foreign key schema name.</li>
+   * <li>FKTABLE_NAME - The foreign key table name.</li>
+   * <li>FKCOLUMN_NAME - The foreign key column name.</li>
+   * <li>KEY_SEQ - The sequence number of the column within the foreign key.</li>
+   * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+   * updated.  This is one of the constants defined in this class
+   * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+   * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+   * <code>importedKeyRestrict</code>).</li>
+   * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+   * deleted.  This is one of the constants defined in this class
+   * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+   * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)</li>
+   * <li>FK_NAME - The name of the foreign key.</li>
+   * <li>PK_NAME - The name of the primary key.</li>
+   * <li>DEFERRABILITY - The deferrability value.  This is one of the
+   * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+   * <code>importedKeyInitiallyImmediate</code>, or
+   * <code>importedKeyNotDeferrable</code>).</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   *        to return entities not associated with a catalog, or <code>null</code>
+   *        to return information from all catalogs.
+   * @param schema The schema to retrieve information from, or the empty string
+   *        to return entities not associated with a schema.
+   * @param tableName The table name to return information for.
+   * @return A <code>ResultSet</code> with the foreign key columns.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getImportedKeys(String catalog, String schema,
+    String tableName) throws SQLException;
+
+  /**
+   * This method returns a list of the table's which use this table's
+   * primary key as a foreign key.  The information is
+   * returned as a <code>ResultSet</code> with the following columns:
+   *
+   * <ol>
+   * <li>PKTABLE_CAT - The catalog of the table the key was imported from.</li>
+   * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.</li>
+   * <li>PKTABLE_NAME - The name of the table the key was imported from.</li>
+   * <li>PKCOLUMN_NAME - The name of the column that was imported.</li>
+   * <li>FKTABLE_CAT - The foreign key catalog name.</li>
+   * <li>FKTABLE_SCHEM - The foreign key schema name.</li>
+   * <li>FKTABLE_NAME - The foreign key table name.</li>
+   * <li>FKCOLUMN_NAME - The foreign key column name.</li>
+   * <li>KEY_SEQ - The sequence number of the column within the foreign key.</li>
+   * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+   * updated.  This is one of the constants defined in this class
+   * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+   * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+   * <code>importedKeyRestrict</code>).</li>
+   * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+   * deleted.  This is one of the constants defined in this class
+   * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+   * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)</li>
+   * <li>FK_NAME - The name of the foreign key.</li>
+   * <li>PK_NAME - The name of the primary key.</li>
+   * <li>DEFERRABILITY - The deferrability value.  This is one of the
+   * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+   * <code>importedKeyInitiallyImmediate</code>, or
+   * <code>importedKeyNotDeferrable</code>).</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   *        to return entities not associated with a catalog, or <code>null</code>
+   *        to return information from all catalogs.
+   * @param schema The schema to retrieve information from, or the empty string
+   *        to return entities not associated with a schema.
+   * @param tableName The table name to return information for.
+   * @return A <code>ResultSet</code> with the requested information
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getExportedKeys(String catalog, String schema,
+    String tableName) throws SQLException;
+
+  /**
+   * This method returns a description of how one table imports another
+   * table's primary key as a foreign key.  The information is
+   * returned as a <code>ResultSet</code> with the following columns:
+   *
+   * <ol>
+   * <li>PKTABLE_CAT - The catalog of the table the key was imported from.</li>
+   * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.</li>
+   * <li>PKTABLE_NAME - The name of the table the key was imported from.</li>
+   * <li>PKCOLUMN_NAME - The name of the column that was imported.</li>
+   * <li>FKTABLE_CAT - The foreign key catalog name.</li>
+   * <li>FKTABLE_SCHEM - The foreign key schema name.</li>
+   * <li>FKTABLE_NAME - The foreign key table name.</li>
+   * <li>FKCOLUMN_NAME - The foreign key column name.</li>
+   * <li>KEY_SEQ - The sequence number of the column within the foreign key.</li>
+   * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+   * updated.  This is one of the constants defined in this class
+   * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+   * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+   * <code>importedKeyRestrict</code>).</li>
+   * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+   * deleted.  This is one of the constants defined in this class
+   * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+   * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)</li>
+   * <li>FK_NAME - The name of the foreign key.</li>
+   * <li>PK_NAME - The name of the primary key.</li>
+   * <li>DEFERRABILITY - The deferrability value.  This is one of the
+   * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+   * <code>importedKeyInitiallyImmediate</code>, or
+   * <code>importedKeyNotDeferrable</code>).</li>
+   * </ol>
+   *
+   * @param primaryCatalog The catalog to retrieve information from, or the
+   *        empty string to return entities not associated with a catalog, or
+   *        <code>null</code> to return information from all catalogs, on the
+   *         exporting side.
+   * @param primarySchema The schema to retrieve information from, or the empty
+   *        string to return entities not associated with a schema, on the
+   *        exporting side.
+   * @param primaryTableName The table name to return information for, on the
+   *        exporting side.
+   * @param foreignCatalog The catalog to retrieve information from, or the
+   *        empty string to return entities not associated with a catalog,
+   *        or <code>null</code> to return information from all catalogs, on
+   *        the importing side.
+   * @param foreignSchema The schema to retrieve information from, or the
+   *        empty string to return entities not associated with a schema on
+   *        the importing side.
+   * @param foreignTableName The table name to return information for on the
+   *        importing side.
+   * @return A <code>ResultSet</code> with the requested information
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getCrossReference(String primaryCatalog, String
+    primarySchema, String primaryTableName, String foreignCatalog, String
+    foreignSchema, String foreignTableName) throws SQLException;
+
+  /**
+   * This method returns a list of the SQL types supported by this
+   * database.  The information is returned as a <code>ResultSet</code>
+   * with the following columns:
+   *
+   * <ol>
+   * <li>TYPE_NAME - The name of the data type.</li>
+   * <li>DATA_TYPE - A data type constant from <code>Types</code> for this
+   * type.</li>
+   * <li>PRECISION - The maximum precision of this type.</li>
+   * <li>LITERAL_PREFIX - Prefix value used to quote a literal, which may be
+   * <code>null</code>.</li>
+   * <li>LITERAL_SUFFIX - Suffix value used to quote a literal, which may be
+   * <code>null</code>.</li>
+   * <li>CREATE_PARAMS - The parameters used to create the type, which may be
+   * <code>null</code>.</li>
+   * <li>NULLABLE - Whether or not this type supports NULL values.  This will
+   * be one of the constants defined in this interface
+   * (<code>typeNoNulls</code>, <code>typeNullable</code>, or
+   * <code>typeNullableUnknown</code>).</li>
+   * <li>CASE_SENSITIVE - Whether or not the value is case sensitive.</li>
+   * <li>SEARCHABLE - Whether or not "LIKE" expressions are supported in
+   * WHERE clauses for this type.  This will be one of the constants defined
+   * in this interface (<code>typePredNone</code>, <code>typePredChar</code>,
+   * <code>typePredBasic</code>, or <code>typeSearchable</code>).</li>
+   * <li>UNSIGNED_ATTRIBUTE - Is the value of this type unsigned.</li>
+   * <li>FIXED_PREC_SCALE - Whether or not this type can be used for money.</li>
+   * <li>AUTO_INCREMENT - Whether or not this type supports auto-incrementing.</li>
+   * <li>LOCAL_TYPE_NAME - A localized name for this data type.</li>
+   * <li>MINIMUM_SCALE - The minimum scale supported by this type.</li>
+   * <li>MAXIMUM_SCALE - The maximum scale supported by this type.</li>
+   * <li>SQL_DATA_TYPE - Unused.</li>
+   * <li>SQL_DATETIME_SUB - Unused.</li>
+   * <li>NUM_PREC_RADIX - The radix of this data type.</li>
+   * </ol>
+   *
+   * @return A <code>ResultSet</code> with the list of available data types.
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getTypeInfo() throws SQLException;
+
+  /**
+   * This method returns information about a tables indices and statistics.
+   * It is returned as a <code>ResultSet</code> with the following columns:
+   *
+   * <ol>
+   * <li>TABLE_CAT - The catalog of the table, which may be <code>null</code>.</li>
+   * <li>TABLE_SCHEM - The schema of the table, which may be <code>null</code>.</li>
+   * <li>TABLE_NAME - The name of the table.</li>
+   * <li>NON_UNIQUE - Are index values non-unique?</li>
+   * <li>INDEX_QUALIFIER The index catalog, which may be <code>null</code></li>
+   * <li>INDEX_NAME - The name of the index.</li>
+   * <li>TYPE - The type of index, which will be one of the constants defined
+   * in this interface (<code>tableIndexStatistic</code>,
+   * <code>tableIndexClustered</code>, <code>tableIndexHashed</code>, or
+   * <code>tableIndexOther</code>).</li>
+   * <li>ORDINAL_POSITION - The sequence number of this column in the index.
+   * This will be 0 when the index type is <code>tableIndexStatistic</code>.</li>
+   * <li>COLUMN_NAME - The name of this column in the index.</li>
+   * <li>ASC_OR_DESC - "A" for an ascending sort sequence, "D" for a
+   * descending sort sequence or <code>null</code> if a sort sequence is not
+   * supported.</li>
+   * <li>CARDINALITY - The number of unique rows in the index, or the number
+   * of rows in the table if the index type is <code>tableIndexStatistic</code>.</li>
+   * <li>PAGES - The number of pages used for the index, or the number of pages
+   * in the table if the index type is <code>tableIndexStatistic</code>.</li>
+   * <li>FILTER_CONDITION - The filter condition for this index, which may be
+   * <code>null</code>.</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   *        to return entities not associated with a catalog, or
+   *        <code>null</code> to return information from all catalogs.
+   * @param schema The schema to retrieve information from, or the empty string
+   *        to return entities not associated with a schema.
+   * @param tableName The table name to return information for.
+   * @param unique <code>true</code> to return only unique indexes,
+   *        <code>false</code> otherwise.
+   * @param approximate <code>true</code> if data values can be approximations,
+   *        <code>false</code> otherwise.
+   * @return A <code>ResultSet</code> with the requested index information
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getIndexInfo(String catalog, String schema, String tableName,
+    boolean unique, boolean approximate) throws SQLException;
+
+  /**
+   * This method tests whether or not the datbase supports the specified
+   * result type.
+   *
+   * @param type The desired result type, which is one of the constants
+   * defined in <code>ResultSet</code>.
+   *
+   * @return <code>true</code> if the result set type is supported,
+   * <code>false</code> otherwise.
+   *
+   * @exception SQLException If an error occurs.
+   *
+   * @see ResultSet
+   */
+  boolean supportsResultSetType(int type) throws SQLException;
+
+  /**
+   * This method tests whether the specified result set type and result set
+   * concurrency type are supported by the database.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @param concurrency The desired concurrency type, which is one of the
+   *                    constants defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type is supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean supportsResultSetConcurrency(int type, int concurrency)
+      throws SQLException;
+
+  /**
+   * This method tests whether or not the specified result set type sees its
+   * own updates.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type sees its own updates,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean ownUpdatesAreVisible(int type) throws SQLException;
+
+ /**
+   * This method tests whether or not the specified result set type sees its
+   * own deletes.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type sees its own deletes,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean ownDeletesAreVisible(int type) throws SQLException;
+
+  /**
+   * This method tests whether or not the specified result set type sees its
+   * own inserts.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type sees its own inserts,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean ownInsertsAreVisible(int type) throws SQLException;
+
+  /**
+   * This method tests whether or not the specified result set type sees
+   * updates committed by others.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type sees other updates,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean othersUpdatesAreVisible(int type) throws SQLException;
+
+  /**
+   * This method tests whether or not the specified result set type sees
+   * deletes committed by others.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type sees other deletes,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean othersDeletesAreVisible(int type) throws SQLException;
+
+  /**
+   * This method tests whether or not the specified result set type sees
+   * inserts committed by others.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type sees other inserts,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean othersInsertsAreVisible(int type) throws SQLException;
+
+  /**
+   * This method tests whether or not the specified result set type can detect
+   * a visible update by calling the <code>rowUpdated</code> method.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type can detect visible updates
+   *         using <code>rowUpdated</code>, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean updatesAreDetected(int type) throws SQLException;
+
+  /**
+   * This method tests whether or not the specified result set type can detect
+   * a visible delete by calling the <code>rowUpdated</code> method.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type can detect visible deletes
+   *         using <code>rowUpdated</code>, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean deletesAreDetected(int type) throws SQLException;
+
+  /**
+   * This method tests whether or not the specified result set type can detect
+   * a visible insert by calling the <code>rowUpdated</code> method.
+   *
+   * @param type The desired result type, which is one of the constants
+   *        defined in <code>ResultSet</code>.
+   * @return <code>true</code> if the result set type can detect visible inserts
+   *         using <code>rowUpdated</code>, <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   */
+  boolean insertsAreDetected(int type) throws SQLException;
+
+  /**
+   * This method tests whether or not the database supports batch updates.
+   *
+   * @return <code>true</code> if batch updates are supported,
+   *         <code>false</code> otherwise.
+   * @exception SQLException If an error occurs.
+   */
+  boolean supportsBatchUpdates() throws SQLException;
+
+  /**
+   * This method returns the list of user defined data types in use.  These
+   * are returned as a <code>ResultSet</code> with the following columns:
+   *
+   * <ol>
+   * <li>TYPE_CAT - The catalog name, which may be <code>null</code>.</li>
+   * <li>TYPE_SCEHM - The schema name, which may be <code>null</code>.</li>
+   * <li>TYPE_NAME - The user defined data type name.</li>
+   * <li>CLASS_NAME - The Java class name this type maps to.</li>
+   * <li>DATA_TYPE - A type identifier from <code>Types</code> for this type.
+   * This will be one of <code>JAVA_OBJECT</code>, <code>STRUCT</code>, or
+   * <code>DISTINCT</code>.</li>
+   * <li>REMARKS - Comments about this data type.</li>
+   * </ol>
+   *
+   * @param catalog The catalog to retrieve information from, or the empty string
+   *        to return entities not associated with a catalog, or <code>null</code>
+   *        to return information from all catalogs.
+   * @param schemaPattern The schema to retrieve information from, or the
+   *        empty string to return entities not associated with a schema.
+   * @param typePattern The type name pattern to match.
+   * @param types The type identifier patterns (from <code>Types</code>) to
+   *        match.
+   * @return A <code>ResultSet</code> with the requested type information
+   * @exception SQLException If an error occurs.
+   */
+  ResultSet getUDTs(String catalog, String schemaPattern, String
+      typePattern, int[] types) throws SQLException;
+
+  /**
+   * This method returns the <code>Connection</code> object that was used
+   * to generate the metadata in this object.
+   *
+   * @return The connection for this object.
+   * @exception SQLException If an error occurs.
+   */
+  Connection getConnection() throws SQLException;
+
+  /**
+   * This method tests whether the databse supports savepoints.
+   *
+   * @return <code>true</code> if the database supports savepoints,
+   *         <code>false</code> if it does not.
+   * @exception SQLException If an error occurs.
+   * @see Savepoint
+   * @since 1.4
+   */
+  boolean supportsSavepoints() throws SQLException;
+
+  /**
+   * This method tests whether the database supports named parameters.
+   *
+   * @return <code>true</code> if the database supports named parameters,
+   *         <code>false</code> if it does not.
+   * @exception SQLException If an error occurs.
+   * @since 1.4
+   */
+  boolean supportsNamedParameters() throws SQLException;
+
+  /**
+   * This method tests whether the database supports returning multiple
+   * <code>ResultSet</code>S from a <code>CallableStatement</code> at once.
+   *
+   * @return <code>true</code> if the database supports returnig multiple
+   *         results at once, <code>false</code> if it does not.
+   * @exception SQLException If an error occurs.
+   * @since 1.4
+   */
+  boolean supportsMultipleOpenResults() throws SQLException;
+
+  /**
+   * @since 1.4
+   */
+  boolean supportsGetGeneratedKeys() throws SQLException;
+
+  /**
+   * @since 1.4
+   */
+  ResultSet getSuperTypes(String catalog, String schemaPattern,
+    String typePattern) throws SQLException;
+
+  /**
+   * @since 1.4
+   */
+  ResultSet getSuperTables(String catalog, String schemaPattern,
+    String tablePattern) throws SQLException;
+
+  /**
+   * @since 1.4
+   */
+  ResultSet getAttributes(String catalog, String schemaPattern, String
+    typePattern, String attributePattern) throws SQLException;
+
+  /**
+   * This method tests if the database supports the specified holdability type.
+   * Valid values for this parameter are specified in the
+   * <code>ResultSet</code> class.
+   *
+   * @param holdability The holdability type to test.
+   * @return <code>true</code> if the database supports the holdability type,
+   *         <code>false</code> if it does not.
+   * @exception SQLException If an error occurs.
+   * @see ResultSet
+   * @since 1.4
+   */
+  boolean supportsResultSetHoldability(int holdability)
+    throws SQLException;
+
+  /**
+   * This method returns the default holdability type of <code>ResultSet</code>S
+   * retrieved from this database. The possible values are specified in the
+   * <code>ResultSet</code> class.
+   *
+   * @return The default holdability type.
+   * @exception SQLException If an error occurs.
+   * @since 1.4
+   */
+  int getResultSetHoldability() throws SQLException;
+
+  /**
+   * This method returns the major version number of the database.
+   *
+   * @return The major version number of the database.
+   * @exception SQLException If an error occurs.
+   * @since 1.4
+   */
+  int getDatabaseMajorVersion() throws SQLException;
+
+  /**
+   * This method returns the minor version number of the database.
+   *
+   * @return The minor version number of the database.
+   * @exception SQLException If an error occurs.
+   * @since 1.4
+   */
+  int getDatabaseMinorVersion() throws SQLException;
+
+  /**
+   * This method returns the major version number of the JDBC driver.
+   *
+   * @return The major version number of the JDBC driver.
+   * @exception  SQLException If an error occurs.
+   * @since 1.4
+   */
+  int getJDBCMajorVersion() throws SQLException;
+
+  /**
+   * This method returns the minor version number of the JDBC driver.
+   *
+   * @return The minor version number of the database.
+   * @exception SQLException If an error occurs.
+   * @since 1.4
+   */
+  int getJDBCMinorVersion() throws SQLException;
+
+  /**
+   * @since 1.4
+   */
+  int getSQLStateType() throws SQLException;
+
+  /**
+   * @since 1.4
+   */
+  boolean locatorsUpdateCopy() throws SQLException;
+
+  /**
+   * @since 1.4
+   */
+  boolean supportsStatementPooling() throws SQLException;
+}