In article <C74F8FBC689DB548A015C20DCA0671790D45FF@server-ffm>, Alexander
Gräf wrote:

> A FK is a declarative way of defining relationships between tables. For
> example, I'm using an ORM-tool which automatically maps relations between
> tables to 1:n and n:m class collections.

Maybe if there was a way to define a FK but the index was optional, FB2
maybe?

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Nick
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