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Your confusion Jim is that you are thinking about a single I/O.   I was
talking about Setting Lower Limits and then Reading Equal (say) on a
partial keylist.  Maybe reading hundreds or more records in the loop.

John

> It may not be as fast as Chain/Update,   However,  It may get faster than
> SETLL/READE.

I'm confused.  When I became a System/38 programmer back in the mid '80s I
was told repeatedly by senior RPG folks that a CHAIN was internally
identical to a SETLL/READE, as long as you're using the same key.

What's the difference?

-Jim

James Damato
Manager - Technical Administration
Dollar General Corporation
<mailto:jdamato@dollargeneral.com>



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