Two possible solutions:
A) pure sql ... (warning: untested) Start with all the possible col1
values, and then left join to the other tables, and pick the first
col2 found.
select col1,
coalesce( A.col2, B.col2, C.col2 ) as col2
from (
select distinct col1 from (
select col1 from A
un
Hi,
I'm hoping someone here can help me out with a query. I have multiple
tables, each with the same schema. For example:
=
Table A:
=
1|"xxx"
2|"yyy"
3|"zzz"
=
=
Table B:
=
1|"xxx222"
3|"zzz222"
5|"www"
=
I'd like a SELECT statement that yields
2 matches
Mail list logo