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Database Recovery after mistaken restore

Posted on 2013-06-29
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Last Modified: 2013-06-29
Hello experts,

We have a SQL 2005 database with recovery model set to simple. The database name is DB3.

The most recent backup for this DB is at 5:00AM today.

By mistake, I restored another database (DB1) to DB3 by write clicking on DB3 in Management Studio, choosing restore, and restoring from DB1. ( I was trying to restore DB2, not 3).

Now I see that DB3 Data file size is 815MB, and Log file size is 236MB.

Is there any chance to restore the recent DB activity from morning till the restore time? If not, I will ask users to re-apply their today work.

You early reply is highly appreciated.
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Question by:Muhajreen
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Racim BOUDJAKDJI earned 500 total points
ID: 39286808
Let's keep it simple:
>If you overwrote DB3 and DB3 was on SIMPLE recovery mode, then you can get the version up to the last DB3 full backup.  
> If you overwrote DB3 and DB3 was on FULL recovery mode, then you can get the version up to the last DB3 full backup and apply the logs up to the  last log backup before you overwrote DB3 by mistake.
> If you overwrote DB3 and do not have a full backup, you lost the data
> You can restore DB1 and overwrite DB2 as many times as you want from your last DB1 backup

Hope this helps.
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by:Muhajreen
ID: 39286979
How to determine if my DB3 was on SIMPLE recovery mode? After restore I found it's recovery mode set to SIMPLE. Does that mean it was in simple before restore too?

Haytham
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by:Racim BOUDJAKDJI
ID: 39287098
After restore I found it's recovery mode set to SIMPLE. Does that mean it was in simple before restore too?
Unless somebody changed it after the restore, yes.
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