Mikael Kjellström wrote:
> BTW isn't the "preferred" way of writing different from / not equal in SQL
> to use the <> operator?
Yes, <> is the operator mandated by the SQL standard. I don't think !=
appears anywhere -- it's our extension only and thus if you use it you
should not expect your applications to work on other DBMSs.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services