Transact-SQL Reference

CONSTRAINT_COLUMN_USAGE

Contains one row for each column, in the current database, that has a constraint defined on it. This information schema view returns information about the objects to which the current user has permissions. The INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE view is based on the sysobjects, syscolumns, and systypes system tables.

To retrieve information from these views, specify the fully qualified name of INFORMATION_SCHEMA view_name.

Column name Data type Description
TABLE_CATALOG nvarchar(128) Table qualifier
TABLE_SCHEMA nvarchar(128) Table owner
TABLE_NAME nvarchar(128) Table name
COLUMN_NAME nvarchar(128) Column name
CONSTRAINT_CATALOG nvarchar(128) Constraint qualifier
CONSTRAINT_SCHEMA nvarchar(128) Constraint owner
CONSTRAINT_NAME nvarchar(128) Constraint name

See Also

syscolumns

sysobjects

systypes