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Russell, The one that I have found makes the most difference is FORCE_JOIN_ORDER. If you have the SMP option on your system you might change try PARALLEL_DEGREE, if you have this option, it is probably already on. Is your query building any access paths? Is it building an temporary file? Another big point that I forgot to mention is that specifying select *, is a lot slower in most cases than select field1, field2, etc. David Morris >>> rconerly@netdoor.com 01/31/01 09:35AM >>> David, I analyzed the optimizer messages while in debug. I've also explored several guides in regards to performance of SQL, but I have been leery of making changes to the query options file. Any recommendations on those changes? Thanks for your response. Regards, Russell Conerly +--- | This is the RPG/400 Mailing List! | To submit a new message, send your mail to RPG400-L@midrange.com. | To subscribe to this list send email to RPG400-L-SUB@midrange.com. | To unsubscribe from this list send email to RPG400-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +---
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