Re: RULE vs CHOOSE
From: Dreamloop <dreamloop_at_aol.com>
Date: 1997/08/13
Message-ID: <19970813024600.WAA21023_at_ladder01.news.aol.com>#1/1
Date: 1997/08/13
Message-ID: <19970813024600.WAA21023_at_ladder01.news.aol.com>#1/1
Hi,
The FIRST_ROWS options advantages the fastest return of the first rows of the query which might be good for an on-line system.
The ALL_ROWS option is recommended for long batch processes because
the goal of this option is throughput. Be aware however that to use these
options, all related tables must have been "analyzed" so that statistics
are
available.
hope this helps.
Robert Received on Wed Aug 13 1997 - 00:00:00 CEST