Re: CHAIN versus SETLL

[Charles Barnard <wizodd@xxxxxxxxxx>]

At 19:34 5/20/97, you wrote:
>Don't you need to do a setll,
> then do a read,
> then do a compare to your key,
> to see if the record you seek is actually there?  

No, the SETLL indicator will be set on/off for hit/no hit on the key.
CHAIN on the other hand will actually retrieve the data associated with the
index.
>
>Whereas, with a chain you need only hit the file's index to set on the
>no-hit indicator?
>
>
>In <3381E148.184E@slomins.com>, on 05/20/97 
>   at 10:37 AM, Wayne Achenbaum <wache@vicomnet.com> said:
>
>#The instructor taught the
>#class that a setll was more expensive than a chain on a no hit condition.
>
>-- 
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Charles Barnard
Wizard of Odd
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