Simple recovery model

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Simple recovery model

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Vinodh247

Posted Sunday, March 13, 2011 3:30 AM

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we all knew that In the Simple recovery model, the database engine minimally logs most operations and truncates the transaction log after each checkpoint. I really want to know what actually gets stored in tlog when it is using simple recovery model.

____________________________________________________________________
Going in one more round when you don't think you can - that's what makes all the difference in your life --Rocky Balboa

Believe you can and you're halfway there. --Theodore Roosevelt

Post #1077426

GilaMonster

Posted Sunday, March 13, 2011 3:35 AM

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Other than the few operations that can be minimally logged (see Books Online, Operations that can be minimally logged), it fully logs everything. So most inserts, all updates, all deletes are fully logged. Schema changes are logged (depending what they do how much is logged for each).

Enough information is stored for the DB engine to be able to undo or redo any operation.

If you're curious...

select * from fn_dblog(null, null)

Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
We stand on the bridge and no one may pass

Post #1077429

Vinodh247

Posted Monday, March 14, 2011 5:10 AM

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Thanks for the reply gail. Your'e awesome ! Smile

____________________________________________________________________
Going in one more round when you don't think you can - that's what makes all the difference in your life --Rocky Balboa

Believe you can and you're halfway there. --Theodore Roosevelt

Post #1077632

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