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<snip>
Given a header table H, and a detail table D, tied together with an
"order number" field that is OHOHNO in H, and ODOHNO in D, is there an
SQL syntax that would produce a list of "orphaned" details that have no
header?
</snip>
select *
from detail
where odohno not in (select ohono from header)
John
<br />
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