> >I think that the following statement is keeping this application from using >an index in my cost-based execution plan. This is an 8.0.4 database so I >don't have the option of creating a function-based index. > >I'm not that great with SQL. Can anyone help me rewrite this statement so >that I don't need to use the TRUNC function on this column in blue? > > (trunc(sysdate) - trunc(erh.arrival_dt)) >= 7 AND > >Thanks, > >Cherie Machler >Oracle DBA >Gelco Information Network >
erh.arrival_dt <= trunc(sysdate) - 7 should give exactly the same result, even without the second trunc(). Try a count(*) with both versions if you have any doubt. -- Diese E-Mail wurde mit http://www.mail-inspector.de verschickt Mail Inspector ist ein kostenloser Service von http://www.is-fun.net Der Absender dieser E-Mail hatte die IP: 194.51.96.14 -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: 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).
