Subject Re: [firebird-support] RDB$CONSTRAINT_TYPE returning Null for Unique index
Author Werner F. Bruhin

Thomas Ellis wrote:
> Hi Werner,
> A unique index is not a constraint a "unique constraint" is something
> different that is why your query was returning NULL.
> Here is a sample to give a loose description for each index "type" you
> should be able to work something out from here.
Thanks for the great info, this is definitely helping me.