I like to use a load id into the database.  Why would you base *your* 
database integrity on a number generated by your trading partner?  Who 
knows when they recycle valid po numbers, send you invalid out of 
sequence po numbers, etc.

Tyrone Lumley wrote:

> Travis wrote:
>
> > Our accounting package's "documented interface" with it's built-in
> integrity checks- likes to unpredictably (yet frequently) steal lines 
> from imported
> EDI POs and place them on manually entered POs our sales people may be
> entering.<
>
> Sounds like the underlying DB was designed poorly. I almost always 
> make the PO number the primary key. Or, if importing a PO with SDQ 
> segments (by store) a concoctinated key of PO + Line Item. The system 
> simply won't let it in. You could even trap the duplicate error and 
> display a nag screen. "PO already entered" or something.
>
>
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>
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>
>  




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