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ad676556
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 Help x appello del 20 luglio

Ciao, ho un dubbio...nella parte logica del modello relazionale, in alcuni casi le associazioni prendono le chiavi esterne dell'entità ke mettono in collegamento....xkè?dipende x caso dalla cardinalità???fatemi sapere...aiutoooooooo
19-07-2009 16:16
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