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  1.  Home
  2. RPG400-L
  3. September 2003

Re: Is Write Record Format Better Than EXCEPT?

>When you're updating only one field in a
>file with around 100 fields is it more efficient
>to do a write to the record format?
>We know this will write the entire record.
>Or is it better to just do an EXCEPT and
>write just the one field?

I can't speak to the efficiency question, but from a maintenance
programmer's point of view, I much rather see the EXCEPT over the UPDATE.
The intent of the code is VERY clear with the EXCEPT.  If you are seeking
efficiency, try creating a logical file which contains only the fields you
need to actually use in the program.

As with all recommendations on performance, measure before and after to see
how the advice works on YOUR system!
  --buck

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