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<code>getImportedKeys</code>, <code>getExportedKeys</code>, and <code>getCrossReference</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#importedKeySetNull">importedKeySetNull</A></B></CODE><BR> A possible value for the columns <code>UPDATE_RULE</code> and <code>DELETE_RULE</code> in the <code>ResultSet</code> objects returned by the methods <code>getImportedKeys</code>, <code>getExportedKeys</code>, and <code>getCrossReference</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureColumnIn">procedureColumnIn</A></B></CODE><BR> Indicates that the column stores IN parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureColumnInOut">procedureColumnInOut</A></B></CODE><BR> Indicates that the column stores INOUT parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureColumnOut">procedureColumnOut</A></B></CODE><BR> Indicates that the column stores OUT parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureColumnResult">procedureColumnResult</A></B></CODE><BR> Indicates that the column stores results.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureColumnReturn">procedureColumnReturn</A></B></CODE><BR> Indicates that the column stores return values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureColumnUnknown">procedureColumnUnknown</A></B></CODE><BR> Indicates that type of the column is unknown.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureNoNulls">procedureNoNulls</A></B></CODE><BR> Indicates that <code>NULL</code> values are not allowed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureNoResult">procedureNoResult</A></B></CODE><BR> A possible value for column <code>PROCEDURE_TYPE</code> in the <code>ResultSet</code> object returned by the method <code>getProcedures</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureNullable">procedureNullable</A></B></CODE><BR> Indicates that <code>NULL</code> values are allowed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureNullableUnknown">procedureNullableUnknown</A></B></CODE><BR> Indicates that whether <code>NULL</code> values are allowed is unknown.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureResultUnknown">procedureResultUnknown</A></B></CODE><BR> A possible value for column <code>PROCEDURE_TYPE</code> in the <code>ResultSet</code> object returned by the method <code>getProcedures</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#procedureReturnsResult">procedureReturnsResult</A></B></CODE><BR> A possible value for column <code>PROCEDURE_TYPE</code> in the <code>ResultSet</code> object returned by the method <code>getProcedures</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static short</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#tableIndexClustered">tableIndexClustered</A></B></CODE><BR> A possible value for column <code>TYPE</code> in the <code>ResultSet</code> object returned by the method <code>getIndexInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static short</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#tableIndexHashed">tableIndexHashed</A></B></CODE><BR> A possible value for column <code>TYPE</code> in the <code>ResultSet</code> object returned by the method <code>getIndexInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static short</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#tableIndexOther">tableIndexOther</A></B></CODE><BR> A possible value for column <code>TYPE</code> in the <code>ResultSet</code> object returned by the method <code>getIndexInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static short</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#tableIndexStatistic">tableIndexStatistic</A></B></CODE><BR> A possible value for column <code>TYPE</code> in the <code>ResultSet</code> object returned by the method <code>getIndexInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#typeNoNulls">typeNoNulls</A></B></CODE><BR> A possible value for column <code>NULLABLE</code> in the <code>ResultSet</code> object returned by the method <code>getTypeInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#typeNullable">typeNullable</A></B></CODE><BR> A possible value for column <code>NULLABLE</code> in the <code>ResultSet</code> object returned by the method <code>getTypeInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#typeNullableUnknown">typeNullableUnknown</A></B></CODE><BR> A possible value for column <code>NULLABLE</code> in the <code>ResultSet</code> object returned by the method <code>getTypeInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#typePredBasic">typePredBasic</A></B></CODE><BR> A possible value for column <code>SEARCHABLE</code> in the <code>ResultSet</code> object returned by the method <code>getTypeInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#typePredChar">typePredChar</A></B></CODE><BR> A possible value for column <code>SEARCHABLE</code> in the <code>ResultSet</code> object returned by the method <code>getTypeInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#typePredNone">typePredNone</A></B></CODE><BR> A possible value for column <code>SEARCHABLE</code> in the <code>ResultSet</code> object returned by the method <code>getTypeInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#typeSearchable">typeSearchable</A></B></CODE><BR> A possible value for column <code>SEARCHABLE</code> in the <code>ResultSet</code> object returned by the method <code>getTypeInfo</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#versionColumnNotPseudo">versionColumnNotPseudo</A></B></CODE><BR> Indicates that this version column is NOT a pseudo column.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#versionColumnPseudo">versionColumnPseudo</A></B></CODE><BR> Indicates that this version column is a pseudo column.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/sql/DatabaseMetaData.html#versionColumnUnknown">versionColumnUnknown</A></B></CODE><BR> Indicates that this version column may or may not be a pseudo column.</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== -->⌨️ 快捷键说明
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