DOMAIN_CONSTRAINTS (Transact-SQL)

Applies to: SQL Server Azure SQL Database

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: Don't use INFORMATION_SCHEMA views to determine the schema of an object. INFORMATION_SCHEMA views only represent a subset of the metadata of an object. The only reliable way to find the schema of an 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: Don't 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)