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  3. February 2003

RE: Keyed PF

Btw I can recommend FMTDTA as a possibly performence improovement with large files, even for creating use-once sorted files. I have seen cases where creating a temporary file and reading this is faster than reading an existing accesspath! The source for FMTDTA is not easy to read (as ugly as a Cobol programmer must find old RPGIII code), but there are commands out there to take command parameters as input in stead of FMTDTA-source.

Henrik


We've turned AS400 query loose to our user community. We encourage them to use intermediate work files (we do have an automatic cleanup routine!) when they get above 2 or 3 files in a single query, or when they need to pick and choose from a large database. The data extract from a large file is (relatively) quick, compared to trying to join a huge file with something else.

=-=Paul E Musselman
PaulMmn@xxxxxxxxxxxxx

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