Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
Home -> Community -> Mailing Lists -> Oracle-L -> Re: Reverse key indexes
Rather than re-invent the wheel, I'll let Steve Adams explain it.
Besides, his explanation is better than the one I was going to give. :)
http://www.ixora.com.au/tips/design/synthetic_keys.htm
Jared
On Friday 11 May 2001 23:55, Vikas Kawatra wrote:
> Reverse key indexes are good for columns populated by sequence no's
> Does that mean that for surrogate Primary key's on OLTP systems - which are
> populated by sequences - performance could be enhanced by creation reverse
> key indexes - rather than using the B*Tree unique indexes which are
> automatically created by Oracle.
>
> vikas
-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Jared Still INET: jkstill_at_cybcon.com 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: 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 Sat May 12 2001 - 01:49:37 CDT