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See the CRTPF command, prompt, press F10 for additional parameters, and look for:

    Allow update operation . . . . . ALWUPD         *YES   
    Allow delete operation . . . . .  ALWDLT          *YES   

This is useful for example when creating a "log" or history file where you want to allow the application to write new records, but you do not want users to be able to update or delete the "history" (so then set the above attributes to *NO).

It is only the "Allow Read" and "Allow Write" that are apparently reserved for IBM internal use only.

Mark S. Waterbury

On Friday, April 1, 2022, 10:07:53 AM EDT, Rob Berendt <rob@xxxxxxxxx> wrote:

Then the "real" file it is being overridden to may be different on one system to the next.  Do a DSPFD on the file it is being overridden to.
Look for these options on the DSPFD:

    Allow read operation 
    Allow write operation
    Allow update operation
    Allow delete operation

Normally changing these is out of the hands of us mortals and is reserved by IBM.  A very simple example of when this occurs is when you start a "temporal" table the history table will have write's and updates blocked but you can still delete so that you can purge off old rows.

Rob Berendt

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