<[EMAIL PROTECTED]> writes:
> Unfortunately, yes thats true - thats is for correctness, not an
> optimization decision. Outer joins constrain you on both join order AND
> on join type. Nested loops and hash joins avoid touching all rows in
> the right hand table, which is exactly what you don't wan
Josh Berkus <[EMAIL PROTECTED]> wrote on 08.10.2004, 07:53:26:
>
> > It's not so much that they are necessarily inefficient as that they
> > constrain the planner's freedom of action. You need to think a lot more
> > carefully about the order of joining than when you use inner joins.
>
> I've a
