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Re: UU database: problem tables

Alexey Parshin wrote:
> 2006/9/26, Ilya A. Volynets-Evenbakh <ilya@total-knowledge.com
> <mailto:ilya@total-knowledge.com>>:
>     On a related note, problem (just like any other object actually)
>     can belong to more then one topic, more then one test, etc.
>     Same is true for topic->subtopic relationship.
>     On the other hand, there is 0-1:1 relationship between course and
>     topic. I.E. like we talked about earlier, course is just an
>     administrative
>     unit, wrapping single top-level topic.
> Why a course may have only one topic? I probably missed something, but
> I see no reason why course may not have several topics.. Otherwise, we
> don't need two entities for the same thing.
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Ilya A. Volynets-Evenbakh
Total Knowledge. CTO

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