I am so so desperate of help. It's pretty simple by concept, but I can't seem to get it right.
Okay
2 tables.
Table A -> id, c1, c2, c3
Table B -> id, c1, c2, c3
I want a trigger that will populate c1 from table b when I insert or update the id in table a. So far, I have this:
(what did I...