Re: Auomatic numbering, replacing nulls and IF

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> 2) The ISNULL function in both Oracle and MS-SQL takes 2 numbers and returns
> the second if the first is null, otherwise it returns the first. ISNULL in
> Postgres seems to be something quite different. Before I go writing my own
> function to do it, is there one already?

Look at COALESCE(). Does ISNULL() actually do something different in
Oracle and M$SQL? I'm curious because our definition conforms to the
SQL9x standard, and those databases claim to generally conform also.

                           - Thomas