Update Statement - SQL Server Forums

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Update Statement

Author

Topic

dazza5621
Starting Member

7 Posts

Posted - 2009-04-26 : 03:56:13

Hi, I am trying to use and update statement based on data in a second table however, when I run it rather than update just 1 record it updates the whole table, can anybody help. Thanks in anticipation

UPDATE table1
SET Guid = '123-123-123'
WHERE EXISTS(SELECT T0.[Guid] FROM [table2] T0 WHERE T0.[Guid] = '234-234-234' and T0.[Name] LIKE 'test%')

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2009-04-26 : 04:05:50

You are missing a relation between table and table2.

E 12°55'05.63"
N 56°04'39.26"

dazza5621
Starting Member

7 Posts

Posted - 2009-04-26 : 04:23:55

Thanks, at which point should I insert this after the Update?

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2009-04-26 : 04:27:12

UPDATE table1
SET Guid = '123-123-123'
WHERE EXISTS(SELECT T0.[Guid] FROM [table2] T0 WHERE T0.[Guid] = '234-234-234' and T0.[Name] LIKE 'test%'
and table1.somecol = t0.somecol)

E 12°55'05.63"
N 56°04'39.26"

dazza5621
Starting Member

7 Posts

Posted - 2009-04-26 : 04:33:05

Just the job, many thanks

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