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INFORMATICA MEDICA

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Relazione 1:1<br />

• Introduzione in una delle due tabelle la<br />

chiave dell’altra, o anche in tutte e due.<br />

• Attributo chiave esterna (simbolo FK)<br />

che deriva dalla chiave primaria (PK)<br />

dell’altra tabella<br />

Inf. Med. - 2. Modelli dei dati -<br />

A.A. 2013-14

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