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  • Subject: RE: Logical Files vs. Physical Keys
  • From: Chris Bipes <rpg@xxxxxxxxxxxxxxx>
  • Date: Thu, 23 Mar 2000 11:03:48 -0800

If you don't put the K in the F spec in an RPG program you will process the
file in arrival sequence weather it is keyed or not.  DSPPFM always shows
the PF in arrival sequence.

Christopher K. Bipes    mailto:ChrisB@Cross-Check.com
Sr. Programmer/Analyst  mailto:Chris_Bipes@Yahoo.com
CrossCheck, Inc.                http://www.cross-check.com
6119 State Farm Drive   Phone: 707 586-0551 x 1102
Rohnert Park CA  94928  Fax: 707 586-1884

If consistency is the hobgoblin of little minds, only geniuses work here.
Karen Herbelin - Readers Digest 3/2000


-----Original Message-----
From: Reger, Bill [mailto:breger@levitz.com]
Sent: Thursday, March 23, 2000 10:22 AM
To: 'MIDRANGE-L@midrange.com'
Subject: RE: Logical Files vs. Physical Keys


One reason you might want to consider leaving your PF's unkeyed, is that it
is really easy to see newly added records by displaying the records at the
end of the physical file.  This is assuming of course that you are not
reusing deleted record space for new records.

This method allows the PF to be used when accessing a file in arrival
sequence, while you can use the LF's for random (by key) access - the best
of both worlds.

I wasn't going to reply to this thread because I figured many replies would
note this, but no one has!

William K. Reger
Senior Project Manager
Levitz Furniture Corporation
Phone:  (561) 994-5114
E-mail:  breger@levitz.com <mailto:breger@levitz.com> 
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