"Richard Broersma" <[EMAIL PROTECTED]> writes:
> For this reason, clients passing natural joins to the server can have
> dangerous result sets returned with no warning.

Yeah.  A lot of people consider that NATURAL JOIN is simply a bad idea
and shouldn't be used ever --- it's too easy to shoot yourself in the
foot with a careless column addition or rename.  Explicitly spelling out
the join columns with ON or USING is a lot less prone to silent breakage
after a schema change.

                        regards, tom lane

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