RE: sql - Drop and Add constraints

["Walden H. Leverich" <WaldenL@xxxxxxxxxxxxxxx>]

Bill,

The number of access paths over a file should have little bearing on clear
time, no? The access path will be invalidated, the member cleared and then
the AP rebuild over an empty member. Reorg is a different case where data
still exists in the file.

-Walden


------------
Walden H Leverich III
President
Tech Software
(516)627-3800 x11
WaldenL@TechSoftInc.com
http://www.TechSoftInc.com



-----Original Message-----
From: bill.reger@convergys.com [mailto:bill.reger@convergys.com]
Sent: Monday, January 07, 2002 14:10
To: midrange-l@midrange.com
Subject: Re: sql - Drop and Add constraints



Patrick,

It might be taking longer to do your CLRPFM because of a large increase in
the number of Logical Files and/or Views attached to the File/Table you're
trying to clear.  You may find that you have to do your CLRPFM using a
technique that many use with the RGZPFM - whereby they remove all related
access paths, reorg the PF (clear in your case), and recreate all the access
paths afterwards.  It is frequently faster.

Bill

--

NOTICE:  The information contained in this electronic mail transmission is
intended by Convergys Corporation for the use of the named individual or
entity to which it is directed and may contain information that is
privileged or otherwise confidential.  If you have received this electronic
mail transmission in error, please delete it from your system without
copying or forwarding it, and notify the sender of the error by reply email
or by telephone (collect), so that the sender's address records can be
corrected.


_______________________________________________
This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
To post a message email: MIDRANGE-L@midrange.com To subscribe, unsubscribe,
or change list options,
visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l
or email: MIDRANGE-L-request@midrange.com
Before posting, please take a moment to review the archives
at http://archive.midrange.com/midrange-l.