--- In firebird-support@yahoogroups.com, Nando Dessena <nando@...> wrote:

Nando> FWIW Firebird allows both RESTRICT and NO ACTION, and
Nando> differentiates between them in the system tables (i.e. it is
Nando> able to rebuild an ADD CONSTRAINT statement correctly). AFAIR
Nando> IB always has.

Hum... which version of Firebird are you talking about? I have tried
the RESTRICT keyword on FB2.0.3 and it rejected it.

I thought RESTRICT was supposed to be supported from FB2.0+

Am I missing something here?

Fidel.