Applies to: SQL Server (all supported versions) Azure SQL Database
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.
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.