sys.check_constraints (Transact-SQL)
Contains a row for each object that is a CHECK constraint, with sys.objects.type = 'C'.
Column name |
Data type |
Description |
|---|---|---|
<Columns inherited from sys.objects> |
|
For a list of columns that this view inherits, see sys.objects (Transact-SQL). |
is_disabled |
bit |
CHECK constraint is disabled. |
is_not_for_replication |
bit |
CHECK constraint was created with the NOT FOR REPLICATION option. |
is_not_trusted |
bit |
CHECK constraint has not been verified by the system for all rows. |
parent_column_id |
int |
0 indicates a table-level CHECK constraint. Non-zero value indicates that this is a column-level CHECK constraint defined on the column with the specified ID value. |
definition |
nvarchar(max) |
SQL expression that defines this CHECK constraint. |
uses_database_collation |
bit |
1 = The constraint definition depends on the default collation of the database for correct evaluation; otherwise, 0. Such a dependency prevents changing the database default collation. |
is_system_named |
bit |
1 = Name was generated by system. 0 = Name was supplied by the user. |
Permissions
The visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configuration.