I agree. I got confused and my second email to disregard my erroneous first emai on this matterl was apparently shot down by the mail filters so it never got to you guys in time.
Sorry for the confision. ltiu Fink, Dan wrote: >Actually, ROWNUM has nothing to do with >extents/segments/inserts/updates/deletes. It is all about access paths. The >solution posted makes sense as ROWNUM can be affected by many subsequent >operations. > >-----Original Message----- >Sent: Thursday, August 29, 2002 11:04 AM >To: Multiple recipients of list ORACLE-L > > >Holes in your extents/segments. Normal. You get this after repeated >updates/deletes/inserts. > >ltiu > >Paul Baumgartel wrote: > > > >>I've been given a query to investigate. The performance varies >>extremely depending on whether the entire result set is fetched or a >>ROWNUM < n clause is attached; that makes sense to me. What doesn't >>make sense is the following: if we add WHERE ROWNUM < 50, the query >>returns 24 rows. If we add WHERE ROWNUM < 1000, the query returns 336 >>rows! >> >>I don't know the size of the entire result set (I'm running a count >>right now), but if the result set consists of at least 336 rows, >>shouldn't WHERE ROWNUM < 50 return 49 rows? >> >>TIA! >> >> >> >>===== >>Paul Baumgartel, Adept Computer Associates, Inc. >>[EMAIL PROTECTED] >> >> >> >> >> >>__________________________________________________ >>Do You Yahoo!? >>Yahoo! Finance - Get real-time stock quotes >>http://finance.yahoo.com >> >> >> >> > > > > > -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: ltiu INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (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).
