On 2/11/2013 10:45 AM, e-mail mgbg25171 wrote:
Perhaps I'm making a meal of my question...
"All" I want to do is
select only records that have field f1 = ''  where it's other field f2
matches the value of f3 only in other records (1 or more) which have a
non-'' f1 value.

select * from MyTable where f1 = '' and f2 in
  (select f3 from MyTable where f1 != '');

--
Igor Tandetnik

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