i cant attach the 10053 trace. it has proprietary info. There isnt much in analytic explain plan either.
does anyone know in general why a full scan would be faster than a fast full scan? > > From: <[EMAIL PROTECTED]> > Date: 2003/10/23 Thu PM 03:09:26 EDT > To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> > Subject: index full scan over an index fast full scan in an analytic function? > > I have an index on the two columns used in this query. Why would the optimizer > choose an index full scan over an index fast full scan? > > My question isnt why an index is used, but the type of index scan? > > select * > from (select col1, col2, > dense_rank() > over (partition by col1 > order by col2 desc)tab > from mytable) > where tab = 1 > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: <[EMAIL PROTECTED] > INET: [EMAIL PROTECTED] > > 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: [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). > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: <[EMAIL PROTECTED] INET: [EMAIL PROTECTED] 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: [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).
