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Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
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 was granted some permission. For more information, see Metadata Visibility Configuration.