Enumerating a cafe menu: select * from (values ('egg'), ('sausage'), ('spam')) main, (values ('baked beans'), ('chips'), ('spam')) side; Of course

Enumerating a cafe menu: select * from (values ('egg'), ('sausage'), ('spam')) main, (values ('baked beans'), ('chips'), ('spam')) side; Of course, to get the complete menu, you would need to use a recursive common table expression.