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SQL 2005, check exist before insert.

Posted on 2009-04-06
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Last Modified: 2012-05-06
Please tell me how can I check existing data before insert new value.
for example: in my database has this value:   Sample Test.
So when user input new values like: sample test, Sample Test, Sample test, sample Test. SQL will prevent it.

How can I do?
Please help me!
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Question by:Mr_Bach
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2 Comments
 
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Expert Comment

by:Binuth
ID: 24084092
IF NOT EXISTS(Select 1 from tablename where fieldname ='Sample test')
begin
-- insert stmt
end
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Accepted Solution

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Binuth earned 500 total points
ID: 24084122
use COLLATE SQL_Latin1_General_CP1_CI_AS - for non- case senstive search
IF NOT EXISTS (SELECT 1 FROM TableName WHERE feildName COLLATE SQL_Latin1_General_CP1_CI_AS = 'Sample Test' )
BEGIN
 
	-- Insert Statement
 
END

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