CONSTRAINT_COLUMN_USAGE Rowset

GUID: DBSCHEMA_CONSTRAINT_COLUMN_USAGE

Number of restriction columns: 7

Restriction columns: TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, CONSTRAINT_CATALOG, CONSTRAINT_SCHEMA, CONSTRAINT_NAME

Default sort order: TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, COLUMN_GUID, COLUMN_PROPID, CONSTRAINT_CATALOG, CONSTRAINT_SCHEMA, CONSTRAINT_NAME

Description: The CONSTRAINT_COLUMN_USAGE rowset identifies the columns used by referential constraints, unique constraints, check constraints, and assertions and that are defined in the catalog and owned by a given user.

Column name	Type indicator	Description
TABLE_CATALOG	DBTYPE_WSTR	Catalog name in which the table is defined. NULL if the provider does not support catalogs.
TABLE_SCHEMA	DBTYPE_WSTR	Unqualified schema name in which the table is defined. NULL if the provider does not support schemas.
TABLE_NAME	DBTYPE_WSTR	Table name.
COLUMN_NAME	DBTYPE_WSTR	Column name. This column, together with the COLUMN_GUID and COLUMN_PROPID columns, forms the column ID. One or more of these columns will be NULL, depending on which elements of the DBID structure the provider uses.
COLUMN_GUID	DBTYPE_GUID	Column GUID.
COLUMN_PROPID	DBTYPE_UI4	Column property ID.
CONSTRAINT_CATALOG	DBTYPE_WSTR	Catalog name. NULL if the provider does not support catalogs.
CONSTRAINT_SCHEMA	DBTYPE_WSTR	Unqualified schema name. NULL if the provider does not support schemas.
CONSTRAINT_NAME	DBTYPE_WSTR	Constraint name.