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I got short on time so I just did it the "old fashion way" but I'll keep
trying these suggestions as time permits.

Thanks



On 2/9/07, Joep Beckeringh <joep@xxxxxxxxxxxxxxxxxxx> wrote:

select * from BUS
  where b1 not in
    (select b1 from CONT)
  or b1 in
    (select b1 from CONT
      where c1 not in
        (select c1 from OCCU))

Joep Beckeringh



Bob Bledsoe wrote:
> I have 3 files, BUS, CONT, OCCU. BUS is tied to CONT by field b1 and
there
> can be more the one record in CONT for each record in BUS. CONT is tied
to
> OCCU by field C1. What I am trying to get is all the records ib BUSS
that
> have NO record in OCCU. I'm totally lost as to how to do this with SQL.

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