Subject Re: [firebird-support] Unique constraint vs unique index, why do they have to be different?
Author David Garamond
Helen Borrie wrote:
> Because an index is not a constraint and a constraint is not an index. A
> constraint has rules, one of which is that it requires a unique index to
> enforce a rule.

Okay, I get it. They are two different creatures, and should perhaps
stay separate.