how to compare the values inside a table in sql

Posted by Ranjana on Stack Overflow See other posts from Stack Overflow or by Ranjana
Published on 2010-06-10T12:40:06Z Indexed on 2010/06/10 12:42 UTC
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sql

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query

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comparison

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joins

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self-join

how to compare the values of same table(say for eg: Order table) each and every time the record get inserted , if the record with same values get inserted already in same table i should not insert the new record with same values. how to do that exactly in sql server 2008

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