DOMAIN_CONSTRAINTS (Transact-SQL)

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 nameData typeDescription
CONSTRAINT_CATALOGnvarchar(128)Database in which the rule exists.
CONSTRAINT_SCHEMAnvarchar(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_NAMEsysnameRule name.
DOMAIN_CATALOGnvarchar(128)Database in which the alias data type exists.
DOMAIN_SCHEMAnvarchar(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_NAMEsysnameAlias data type.
IS_DEFERRABLEvarchar(2)Specifies whether constraint checking is deferrable. Always returns NO.
INITIALLY_DEFERREDvarchar(2)Specifies whether constraint checking is at first deferred. Always returns NO.

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

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