Returns a result set listing the primary keys for a table.
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.
Return Values
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.
