DOMAIN_CONSTRAINTS (Transact-SQL)

THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008)yesAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

Returns one row for each alias data type in the current database that has a rule bound to it and that can be accessed by current user.

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

Column name Data type Description
CONSTRAINT_CATALOG nvarchar(128) Database in which the rule exists.
CONSTRAINT_SCHEMA nvarchar(128) Name of schema that contains the constraint.

** Important *\* Do not use INFORMATION_SCHEMA views to determine the schema of an object. The only reliable way to find the schema of a object is to query the sys.objects catalog view.
CONSTRAINT_NAME sysname Rule name.
DOMAIN_CATALOG nvarchar(128) Database in which the alias data type exists.
DOMAIN_SCHEMA nvarchar(128) Name of schema that contains the alias data type.

** Important *\* Do not use INFORMATION_SCHEMA views to determine the schema of a data type. The only reliable way to find the schema of a type is to use the TYPEPROPERTY function.
DOMAIN_NAME sysname Alias data type.
IS_DEFERRABLE varchar(2) Specifies whether constraint checking is deferrable. Always returns NO.
INITIALLY_DEFERRED varchar(2) Specifies whether constraint checking is at first deferred. Always returns NO.

See Also

System Views (Transact-SQL)
Information Schema Views (Transact-SQL)
sys.objects (Transact-SQL)
sys.types (Transact-SQL)