PHP: Returns a result set listing primary keys for a table

Description

resource db2_primary_keys ( resource $connection , string $qualifier , string $schema , string $table-name )

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.

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.

db2_primary_keys

Description

Parameters

Return Values

See Also