RPG/400 Help

Position 18 (Option)

Entry
Explanation
Blank
The record type must be present if sequence checking is specified.
O
The record type is optional (that is, it may or may not be present) if sequence checking is specified.

This entry must be blank if positions 15 and 16 contain an alphabetic entry.

Sequence checking of record types has no meaning when all record types within a file are specified as optional (alphabetic entry in positions 15 and 16 or O entry in position 18).


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