Andrew Dunstan <and...@dunslane.net> writes: > When did the SQL standard add any mention of ?
It's in SQL92. I don't have a copy of SQL89, or whatever the previous spec was, to look at. (So you could argue that Yu and Chen should've removed ? from the set of allowed operator characters when they grafted SQL syntax onto Postgres. But they didn't ...) regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers