Comment by almostgotcaught
1 year ago
That only gives you trees not DAGs - you can't do fan-in (there's no way to "share" let bound names).
1 year ago
That only gives you trees not DAGs - you can't do fan-in (there's no way to "share" let bound names).
Isn't this fan-in?
let A = select * from tbla
let B = select * from tblb
let C = select * from A join B
Think about what tbla and tblb can be - hint they can only be globals (ie actual tables)