John Wells <[EMAIL PROTECTED]> writes:
> Guys,
>
> I have approx. 8 hours to finish a deadline, so I can no longer spend time searching
> google...haven't found the answer yet.
>
> In PG, is there not a way to select amongst databases?
>
> In other words, if I have one schema called sch1 and another called sch2, and I'm
> connected to sch2, could I not do:
>
> select fieldname from sch1.tablename
>
> I'm running 7.2.3, so I think there was no such things as a schema in this
> release...just a database, but can't recall.
Right. Schemas went into 7.3. You can try 'contrib/dblink' for
cross-database queries in earlier versions--it might or might not work
for you (I've never used it myself).
> It seems I've been able to do this in the past, but I may be
> remembering wrong.
Maybe that was with 7.3 or 7.4?
-Doug
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
