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Message Posted: Thu, 27 Mar 2003 @ 04:41:55 GMT

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Derived table is just a name given to the result spool in a Query. I think performance should vary with the requirements. Derived tables does not have to be created using DDL likewise volatile/global temporary tables. But It is very sure that derived tables provides the up to date data wherease volatile/temporary tables may not.

Giriraj Verma

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