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Basi di dati

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<strong>Basi</strong> <strong>di</strong> <strong>dati</strong> - Modelli e linguaggi <strong>di</strong> interrogazione- Paolo Atzeni, Stefano Ceri, Stefano Paraboschi, Riccardo TorloneCapitolo 6Ere<strong>di</strong>tarietà• tutte le proprietà (attributi, relationship,altre generalizzazioni) dell’entitàgenitore vengono ere<strong>di</strong>tate dalle entitàfiglie e non rappresentateesplicitamente17/10/2002Copyright © 2002 - The McGraw-Hill Companies, srl

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