On Fri, 2005-02-04 at 11:59, Karl O. Pinc wrote:
> On 02/04/2005 10:06:49 AM, Ignacio Colmenero wrote:
> > 4. Can I query an object in another database, like in Oracle's
> > dblink?
>
> I'm no expert. I don't believe so. You can query across scheams
> in the same database but not across databases. You could do
> something (anything!) by writing an external function in C or
> whatever, but I couldn't say how much work that would take.
Actually, there's a contrib module that does just that.
contrib/dblink. It's useful for running autonomous transactions also.
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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
