db2_primary_keys Returns a result set listing primary keys for a table &reftitle.description; resourcedb2_primary_keys resourceconnection stringqualifier stringschema stringtable-name Returns a result set listing the primary keys for a table. &reftitle.parameters; connection A valid connection to an IBM DB2, Cloudscape, or Apache Derby database. qualifier A qualifier for DB2 databases running on OS/390 or z/OS servers. For other databases, pass &null; or an empty string. schema The schema which contains the tables. If schema is &null;, db2_primary_keys matches the schema for the current connection. table-name The name of the table. &reftitle.returnvalues; Returns a statement resource with a result set containing rows describing the primary keys for the specified table. The result set is composed of the following columns: Column name Description TABLE_CAT Name of the catalog for the table containing the primary key. The value is NULL if this table does not have catalogs. TABLE_SCHEM Name of the schema for the table containing the primary key. TABLE_NAME Name of the table containing the primary key. COLUMN_NAME Name of the column containing the primary key. KEY_SEQ 1-indexed position of the column in the key. PK_NAME The name of the primary key. &reftitle.seealso; db2_column_privileges db2_columns db2_foreign_keys db2_procedure_columns db2_procedures db2_special_columns db2_statistics db2_table_privileges db2_tables