Re: Problems with question marks in operators (JDBC, ECPG, ...)

Andrew Dunstan <andrew@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