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Message Posted: Fri, 22 Aug 2008 @ 10:28:39 GMT

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Subj:   Re: How Can I Avoid Repeating an Expression?
From:   McCall, Glenn David

Basically give it a name and use the name in subsequent expressions.

For example:

     select 1 + 2 as sum1, sum1 + 4;


     sum1        (sum1+4)
     3           7

If you can't afford to have the intermediate result come back to the user - simply do it in a derived table.

Hope this helps

Glenn Mc

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