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What effect will this joined logical have on those programs
which add-to / update / read the 5 physicals?
Probably none. If you assume (yes, I know... but I think it's safe here)
that there is already an index on the columns in the join then you
already have the indexes (access-path) you need and there will be no
additional index maintenance overhead. Remember logical files and
access-paths need not be a 1-1 relationship.
-Walden
--
Walden H Leverich III
Tech Software
(516) 627-3800 x3051
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com
Quiquid latine dictum sit altum viditur.
(Whatever is said in Latin seems profound.)
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