DOMAIN_CONSTRAINTS (Transact-SQL)
Returns one row for each alias data type in the current database that has a rule bound to it by using sp_bindrule and that can be accessed by the current user.
To retrieve information from this view, specify the fully qualified name of INFORMATION_SCHEMA.DOMAIN_CONSTRAINTS.
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. .gif "Important note") Important
Do not use INFORMATION_SCHEMA views to determine the schema of an object. The only reliable way to find the schema of an object is to query the sys.objects catalog view or use the OBJECT_SCHEMA_NAME function.
|
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. |
Examples
The following example returns all alias data types in the database that have a rule bound to it.
USE AdventureWorks;
GO
SELECT *
FROM INFORMATION_SCHEMA.DOMAIN_CONSTRAINTS;