I think that’s only MySQL. Postgres uses double quotes for identifiers and single quotes for literals. EDIT: I misinterpreted that single quote as a backtick.

I think that’s only MySQL. Postgres uses double quotes for identifiers and single quotes for literals. EDIT: I misinterpreted that single quote as a backtick. In any case, both single and double quotes are common in SQL, but single quotes are a bit more common.