Explain some DBCC commands?

Answer Posted / sanjeev kumar

DBCC stands for database consistency checker. We use these
commands to check the consistency of the databases.
Example, maintenance, validation task and status
checks.Saying is that,through DBCC we can check what is
happining in database on time to time. It give me a changes
of information just happing in a bit of time (this is the
reason it is called consistency)
like:-
DBCC CHECKALLOC - Check consistency of disk allocation.
DBCC CHECKCATALOG - Check catalog consistency
DBCC CHECKCONSTRAINTS - Check integrity of table constraints.

etc.

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