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It has always been my understanding that by have a values list, SQL and RPG
would NOT allow other values to be entered for that field. Is my
understanding of this incorrect, or is there something else that I need to
look for?
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If you are referring to the DDS VALUES keyword, your understanding is
unfortunately incorrect. The DDS field-level validity checking keywords,
(CMP, COMP, VALUES, RANGE, etc.) only apply if the field concerned is
referenced in a Display File. Nothing to do with RPG or SQL; the checking is
done at the workstation level.
The confusion arises because these keywords <can> be coded in
Physical/Logical files - but only for reference on Display Files. (Some may
also be used to form select/omit criteria.)
The best way to enforce such database rules universally is through Check
Constraints, (e.g. ADDPFCST).
Brian.
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