--- In firebird-support@yahoogroups.com, Svein Erling Tysvær
<svein.erling.tysvaer@...> wrote:

>
> Unless things have changed since Firebird 1.5.4, IS is a
> reserved word, hence make the alias ISU or something.

FWIW, you can use a reserved word as identifier, provided it is
enclosed in double quotes e.g. "IS" instead of IS.

I hope it helps,
Tim