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Home -> Community -> Mailing Lists -> Oracle-L -> Re: rewrite group by query
How about
select * from (select tab1.*, count(a) over(partition by a) a_count from tab1) where a_count =1;
... would probably save you one pass over tab1.
Thanks,
Boris Dali.
-- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Boris Dali INET: boris_dali_at_yahoo.ca Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).Received on Mon Jan 05 2004 - 10:09:25 CST
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