PHP db2_primary_keys function

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db2_primary_keys

(PECL)

db2_primary_keys —
Returns a result set listing primary keys for a table
Descriptionresource 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 nameDescriptionTABLE_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_NAMEName of the table containing the primary key.COLUMN_NAMEName of the column containing the primary key.KEY_SEQ1-indexed position of the column in the key.PK_NAMEThe name of the primary key.

See Also

db2_column_privileges()db2_columns()db2_foreign_keys()db2_procedure_columns()db2_procedures()db2_special_columns()db2_statistics()db2_table_privileges()db2_tables()