On Thu, Oct 8, 2009 at 13:30, Martijn Tonies <m.tonies@...> wrote:

> Same behaviour, just because MS SQL is non-standard. In Firebird,
> you cannot create a foreign key constraint to an index.

I know. http://blog.cincura.net/227384-firebird-unique-index-vs-unique-constraint/

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Jiri {x2} Cincura (CTO x2develop.com)
http://blog.cincura.net/ | http://www.ID3renamer.com