You are right. That very obvious idea. Why didn't I ...

I was trying to drop index instead to drop constraint. Eh.

Thank You very much !!!

b0bik

--- In firebird-support@yahoogroups.com, "emb_blaster" <EMB_Blaster@...> wrote:
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>
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> --- In firebird-support@yahoogroups.com, "b0bik2000" <b0bik@> wrote:
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> > Is there any way to do that ? By SQL or by direct system tables update ?
> >
> > b0bik
> >
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> You probably know that is not recommended change it direct on system tables... Why do you can't do a Alter table Drop constraint/Alter table ADD constraint?
>