Performance issue: open/read PF vs open/read SRCPF -- RPG400-L

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 I wonder how much difference there is (in terms of performance) when I use
a physical file versus a source physical file. Assume I do OVRDBF, OPEN,
READ, CLOSE in RPG. The record lengths for both PF and SRCPF are the same.
The PF has only 1 or 2 fields in it. Both PF and SRCPF have 500 records.

Thanks



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