Update based on anothe table - SQL Server Forums

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Update based on anothe table

Author

Topic

rama108
Posting Yak Master

115 Posts

Posted - 2013-05-17 : 14:26:18

how can i do this:

Update A
set Locked = b.Locked
FRom B b
where b.MID = MID

this is giving me erroe:
Ambiguous column name 'MID'.

djj55
Constraint Violating Yak Guru

352 Posts

Posted - 2013-05-17 : 14:30:21

You need to associate A with B in a join thus

 UPDATE A 
SET locked = b.locked
FROM A 
INNER JOIN B ON A.MID = B.MID

djj

rama108
Posting Yak Master

115 Posts

Posted - 2013-05-18 : 08:46:06

Thanks Dj.

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