Usage of DBCC CHECKALLOC

DBCC CHECKALLOC allows to verify whether disk space allocations are proper or not for a database. Syntax: DBCC CHECKALLOC [ ( database_name | database_id | 0 | , { REPAIR_ALLOW_DATA_LOSS | REPAIR_FAST | REPAIR_REBUILD } ] ) We can give either DB name or its ID.If 0 is given,than it will check alloactions for current database.Take a backup of database,before issuing Repair.
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