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

Home -> Community -> Usenet -> c.d.o.misc -> Re: Retrieving a set of randomly chosen records (Oracle 9i)

Re: Retrieving a set of randomly chosen records (Oracle 9i)

From: <andreas.krisor_at_gmx.net>
Date: 19 Feb 2005 12:50:44 -0800
Message-ID: <1108846244.735101.261350@g14g2000cwa.googlegroups.com> 





Hi Malcolm,



I have at the moment no possibility to try your suggestion but I think
the ROWNUM refers to the result set of a query, so a full table scan is
used for this statement which reduces the performance dramatically and
therefore wouldn't be applicable.



Am I right?



Greetz,


Andreas
Received on Sat Feb 19 2005 - 14:50:44 CST












Original text of this message













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