Re: SQL Existence Check

["Peter Dow" <pcdow@xxxxxxxxx>]

Hi Dave,

I'm a little late to this discussion.  If you're using SETLL with an equal
indicator, and the record is not found, what does SETLL set the current
record pointer to?

Peter Dow
Dow Software Services, Inc.
909 425-0194 voice
909 425-0196 fax

----- Original Message -----
From: <David.X.Kahn@gsk.com>
To: <midrange-l@midrange.com>
Sent: Tuesday, March 12, 2002 8:44 AM
Subject: Re: SQL Existence Check


> Vernon wrote:
>
> > CHAIN is basically SETLL and READ, so the difference is the
> > time to read the record. Mileage will vary, based on record
> > length and datatypes. What were your fields in the file in
> > question?
>
> Not quite. SETLL will always set the current record pointer. CHAIN will
set
> it only when a record is found. If Nathan were to re-run his test where
the
> record is never found I think he would find that the CHAINs are quicker
> than the SETLLs.
>
> Dave...
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