Transact-SQL Reference
DOMAIN_CONSTRAINTS
Contains one row for each user-defined data type, accessible to the current user in the current database, with a rule bound to it. The INFORMATION_SCHEMA.DOMAIN_CONSTRAINTS view is based on the sysobjects 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 |
|---|---|---|
| CONSTRAINT_CATALOG | nvarchar(128) | Database in which the rule exists. |
| CONSTRAINT_SCHEMA | nvarchar(128) | Rule owner. |
| CONSTRAINT_NAME | sysname | Rule name. |
| DOMAIN_CATALOG | nvarchar(128) | Database in which the user-defined data type exists. |
| DOMAIN_SCHEMA | nvarchar(128) | User that created the user-defined data type. |
| DOMAIN_NAME | sysname | User-defined data type. |
| IS_DEFERRABLE | varchar(2) | Specifies whether constraint checking is deferrable. Always returns NO. |
| INITIALLY_DEFERRED | varchar(2) | Specifies whether constraint checking is initially deferred. Always returns NO. |