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If my understanding is correct, then the following SQL statement could be
the solution for your query.

update Tbluserpt
set tbluserpt.oboprce = tbluserpt.ifoth/(1-(tblusrp.okmark))
where tbluserpt.oboprce = 0
and tbluserpt.obdiv||tbluserpt.obcls in (Select
tblusrp.obdiv||tblusrp.obclsfrom Tblusrp)

Thanks,
Alex.




On 6/27/06, Timothy Ellifritz <tim@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

SQL question. I have the pieces and I think the answer is in front of me
but can't figure this one out.

I know I can't do an update on a join but I was wondering if one could
be used in a subselect somehow to accomplish this.

I have 2 temp tables...

Tbluserpt
       oboprce
       ifoth
       obdiv
       obcls

Tblusrp
       obdiv
       obcls
       okmark

How do I write a statement to...

Where tbluserpt.oboprce = 0

I want to update it to tbluserpt.ifoth/(1-(tblusrp.okmark))

For the update I need to select tblusrp.okmark

Where

tbluserpt.obdiv = tblusrp.obdiv

And

tbluserpt.obcls = tblusrp.obcls


Hope the question is clear.

Thanks,

Tim






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