Thanks. Fix applied.
> in the tutorial, chapter 2., "Relational Data Model Formalities"
> (sql490.htm), there is
>
> "set of all k-tuples v1, v2, ... vk, such that v1 [isin] D1, v1 [isin] D1"
>
> i assume it should be
> "set of all k-tuples v1, v2, ... vk, such that v1 [isin] D1, v2 [isin] D2"
>
> --------------___________
> Divide by Zero
> divide(at)thepentagon.com
>
>
>
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