Checks for consistency in and between system tables in the specified database.
DBCC CHECKCATALOG ('database_name') [ WITH NO_INFOMSGS ]
DBCC CHECKCATALOG checks that every data type in syscolumns has a matching entry in systypes and that every table and view in sysobjects has at least one column in syscolumns.
-- Check the current database.
-- Check the pubs database.
DBCC CHECKCATALOG ('pubs')