On Tue, 23 May 2000, Bruce Momjian wrote:
> Is there a reason to keep SQL functions now that we have PL/PgSQL,
> except for backward compatibility? What do SQL functions do that can
> not be done in PLpgSQL? Are they faster?
SQL function can return a new tuple. To my knowledge, PLpgSQL cannot.
I hope someone can prove me wrong ;)
-alex