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 update on different in value		  New Topic  Reply to Topic
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gangadhara.ms
Constraint Violating Yak Guru

India
497 Posts
Posted - 04/02/2012 :  00:54:23  Show Profile  Visit gangadhara.ms's Homepage  Reply with Quote
Hi All,

I have 2 tables Tab1 and Tab2

I need to update Tab1 columnA from Tab2 columnA for each row in the first table.

Pls help

gangadhara.ms
Constraint Violating Yak Guru

India
497 Posts
Posted - 04/02/2012 :  00:58:41  Show Profile  Visit gangadhara.ms's Homepage  Reply with Quote
Note: Need to update only records which are having a different in value.
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Srinika
Flowing Fount of Yak Knowledge

Sri Lanka
1378 Posts
Posted - 04/02/2012 :  11:34:52  Show Profile  Reply with Quote
Please provide some sample data.
Also tell, how the 2 tables are related

Srinika
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SwePeso
Patron Saint of Lost Yaks

Sweden
29138 Posts
Posted - 04/02/2012 :  12:36:20  Show Profile  Visit SwePeso's Homepage  Reply with Quote
UPDATE t1
SET t1.Col2 = t2.ColX
FROM dbo.Table1 AS t2
INNER JOIN dbo.Table2 AS t2 ON t2.ColGreen = t1.ColWarm
WHERE t1.Col2 <> t2.ColX

N 56°04'39.26"
E 12°55'05.63"
Edited by - SwePeso on 04/02/2012 12:36:39
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