RE: Combine Logical

["Ed Anderson" <framminatthejimjam@xxxxxxxxxxx>]

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I'd be inclined to create several logicals that provide what you need
depending on the criteria, and be sure to include select stmt's in the LF to
get only what that criteria needs, then see how that performs against the
combined ( join?).
Ed Anderson
Programmer / Analyst
Linpac, Inc.
770-218-7600
ed_anderson@linpac.com[1]
framminatthejimjam@hotmail.com[2]

----Original Message Follows----
From: "Jonathan Oblea"
Reply-To: rpg400-l@midrange.com
To: rpg400-l@midrange.com
Subject: RE: Combine Logical
Date: Fri, 19 Apr 2002 17:18:49 +0800
Hi Paul,
Yes, I need the data of the other files but it depends on some criteria's.
Thanks,
Jonathan
"Nicolay, Paul" @midrange.com on 04/19/2002
04:58:13 PM
Please respond to rpg400-l@midrange.com
Sent by: rpg400-l-admin@midrange.com
To: "'rpg400-l@midrange.com'"
cc:
Subject: RE: Combine Logical
Hi Jonathan,
It depends... do you need the data of the other files for each record in
the
master file, of does it depend on certain criteria ? Sometimes manually
CHAINing the record is much faster than a JOIN, sometimes it isn't.
Kind regards,
Paul
-----Original Message-----
From: Jonathan Oblea [mailto:JOBLE@amkor.com]
Sent: 19 April, 2002 10:56
To: rpg400-l@midrange.com
Subject: Combine Logical
Hi,
We have an RPG program that reads a combine logical file which contains 3
combined
master files (approx. 4 million records per file). This program takes
several hours to run.
Is there a better alternative logic that will speed up the performance of
an RPG program
with or without using a combine logical file ?
Thank you in Advance,
Jonathan
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===References:===
  1. mailto:ed_anderson@linpac.com
  2. mailto:framminatthejimjam@hotmail.com
  3. http://g.msn.com/1HM205401/h