Re: Cross-Product JOIN?

On Wed, 2023-05-24 at 21:10 +0200, Erik Wienhold wrote:
> > On 24/05/2023 15:46 CEST Erik Wienhold <ewie@ewie.name> wrote:
> >
> > Personally, I think it should read cartesian product because cross product is
> > an overloaded term and cartesian product is used more often in the documentation
> > overall.
> >
> > But the same page [0] also uses cross product when talking about grouping sets.
> >
> > [0] https://www.postgresql.org/docs/15/queries-table-expressions.html
>
> Here's a patch that fixes those two places.

+1

"Cross product" seems to be a misbegotten hybrid of "cross join" and
"Cartesian product".

Since we are talking about Cartesian products: is the term "Cartesian join"
used anywhere?

Yours,
Laurenz Albe