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midrange.com
Tony Carolla wrote:
>
> >From what I understand, if you define a DS using LIKEREC or an
> external DS based on a file format, then you do input (READ,
> CHAIN,etc.) from the file using the DS, there is a speed advantage,
> because the read plunks down the entire record over your DS, and each
> field of data doesn't have to be moved to the 'file' fields.
>
> Does this speed advantage work if you follow the methodology you
> mention, in using a prefix with a dot specified at the end ('PT.').
No, it still moves the buffer to the subfields one by one.
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