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  3. November 2009

RE: Logical file order of records

The database does include in that /complexity/, the ability to
specify the ordering of duplicate key values; e.g. LIFO, FIFO, FCFO,
in DDS. Not all accesses to database data are via query, so
realize that non-SQL & non-query interfaces used to read-by-key can
actually effect a read-order to reflect whatever was specified as
the [build]duplicate-key-order rule(s).

I didn't notice that the originator specified that DDS was involved, and
responded with SQL on my mind. Besides, if the files had had that
specified, I don't think the question would have been asked. Right?

Dennis Lovelady
http://www.linkedin.com/in/dennislovelady
--
"An intellectual is a man who takes more words than necessary to tell more
than he knows."
-- Dwight D. Eisenhower


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