What database model would be appropicate?
[IMG]http://img190.imageshack.us/img190/6023/relationalfinaldatabase.jpg[/img]

how  can I start an scenario like this in the sql database?
What database model would be appropicate?
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[IMG]http://img190.imageshack.us/img190/6023/relationalfinaldatabase.jpg[/img]

how  can I start an scenario like this in the sql database?