Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: Need index on 2 column table?

Re: Need index on 2 column table?

From: <bdbafh_at_gmail.com>
Date: 4 Aug 2005 21:40:18 -0700
Message-ID: <1123216818.856758.138360@g49g2000cwa.googlegroups.com>


IOT is not necessarily indexed on a single column. I've used a 4 column index for the primary key (not synthetic) with a compress of 2. Order the columns appropriately, lowest to highest cardinality compresses best.

-bdbafh Received on Thu Aug 04 2005 - 23:40:18 CDT

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US