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Re: Explanation



Second attempt, something went wrong ..

2006/10/19, Alexey Parshin <alexeyp@gmail.com>:
Latest and greatest DB schema. PNG format should be even easier to open, however it doesn't contain any documentation :(

2006/10/19, Ilya A. Volynets-Evenbakh < ilya@total-knowledge.com>:
Since explanation is shareable, you need many-to-many between it and
topic anyways, and you can add extra field in there for sequence numbers.

Alexey Parshin wrote:
> It looks like the implementation of the sequence number requires a
> separate table. Do we need it that badly?
>
> 2006/10/19, Ilya A. Volynets-Evenbakh < ilya@total-knowledge.com
> <mailto: ilya@total-knowledge.com>>:
>
>     Anatoly Volynets wrote:
>     >  "Number is really associated with Topic, not with explanation,
>     as an
>     > explanation
>     >  can be shared between different topics." - the latest addition
>     to specs.
>     >
>     > I don't see how it is possible. Explanation is for THIS topic,
>     nothing
>     > else. It can be shared like any other UMO, but no more, no less
>     than
>     > that.
>     Correct. And sequence of showing explanations is property of
>     topics, not
>     property of explanations.
>     If I include your explanation in my topic, I can assign my own
>     difficulty level
>     and sequence number to it.
>
>     --
>     Ilya A. Volynets-Evenbakh
>     Total Knowledge. CTO
>     http://www.total-knowledge.com
>
>
>
>
> --
> Alexey Parshin,
> http://www.sptk.net

--
Ilya A. Volynets-Evenbakh
Total Knowledge. CTO
http://www.total-knowledge.com




--
Alexey Parshin,
http://www.sptk.net




--
Alexey Parshin,
http://www.sptk.net

Attachment: UU database structure.png
Description: PNG image


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