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Message Posted: Fri, 28 Apr 2006 @ 17:16:29 GMT


     
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Subj:   Re: How good is Explain on a SQL ?
 
From:   Frank.C.Martinez

Oh yeah, absolutely. And then, comparing the actual versus expected "I/O counts" in the explain from Pmon when the query is running is very informative. That allows you to track down all kinds of interesting query anomolies.


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