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how to check sql transaction log?

Posted By:      Posted Date: September 23, 2010    Points: 0   Category :ASP.Net

I know these 2 commands

sp_who and sp_who2 ? knowing who are updateing
DBCC log (DB_NAME,4) ? I can't really understand these information..

just wondering does there exists a log file, so we can check
who have updated database from it?

thanks alot

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