Again since the indexes store the row in ordered fashion, I guess a normal index should be able to do ORDER BY DESC by reading backwards
Not sure though Regards Naveen -----Original Message----- Sent: Tuesday, October 01, 2002 10:33 PM To: Multiple recipients of list ORACLE-L Yes, you are obviously correct. I really need to RTFM. <sigh> Too many pots on the stove! Just a regular index, then. Any other input? Thx! Rich Rich Jesse System/Database Administrator [EMAIL PROTECTED] Quad/Tech International, Sussex, WI USA > -----Original Message----- > From: Naveen Nahata [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, October 01, 2002 10:49 AM > To: Multiple recipients of list ORACLE-L > Subject: RE: Indexing SYS tables > > > Reverse key index won't help you in ORDER BY DESC, will it? > > AFAIK Reverse-key index will store 'Naveen' as 'neevaN' and > 'Rich' as 'hciR' > and so won't be helpful in ORDER BY DESC > > Regards > Naveen > > -----Original Message----- > Sent: Tuesday, October 01, 2002 8:58 PM > To: Multiple recipients of list ORACLE-L > > > Hey, > > Anyone have any advice on indexing SYS tables? Specifically, > I've been > experimenting with putting a reverse index on the TIMESTAMP# > column of AUD$, > since almost all of my queries against the AUD$ views end > with "ORDER BY > TIMESTAMP DESC". > > In 8.1.7.4.0 test DBs on HP/UX, the index -- created under a > non-SYS DBA > schema -- works great. I'm looking for pitfalls, but can't > come up with any > of my own... > > TIA! > Rich -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Jesse, Rich 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.com -- Author: Naveen Nahata 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).
