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Query optimize [message #556265] Fri, 01 June 2012 05:37 Go to next message
soft_doctor
Messages: 33
Registered: May 2010
Member
Hi Leaders,

Please help me in the below scenario. I want to optimize the below query as using not equal ( != ) will reduce the performance.
select e1.rowid from emp e1, emp e2 
where e1.attrib in (7, 10)
and e1.attrib != e2.attrib 
and e1.type = e2.type 
and e1.status = 0) 
Re: Query optimize [message #556266 is a reply to message #556265] Fri, 01 June 2012 05:39 Go to previous messageGo to next message
soft_doctor
Messages: 33
Registered: May 2010
Member
Requesting you to please suggest as it is bit urgent!!!!
Re: Query optimize [message #556278 is a reply to message #556266] Fri, 01 June 2012 06:15 Go to previous message
Michel Cadot
Messages: 67946
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
Nothing is urgent on forum but YOU to follow OraFAQ Forum Guide and post what is requested.

Please do it, it is urgent!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Regards
Michel
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