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MS SQL where clause - comparison behaviour

Posted on 2013-01-09
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hi,

Wondering why in below 3 queries, the first and the second returns results when in fact '123' is not equal to '123  '? MS SQL trim trialing spaces automatically?

1) select * from Employee where EmployeeID='123'
2) select * from Employee where EmployeeID='123  '
3) select * from Employee where EmployeeID='  123'
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Question by:sepknow
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TempDBA earned 2000 total points
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Yes and it can be overcome by like.
Reference:-http://support.microsoft.com/kb/316626
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