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CERERI SELECT PE MAI MULTE TABELE - Baze de date

CERERI SELECT PE MAI MULTE TABELE - Baze de date

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ALT EXEMPLU<br />

Stu<strong>de</strong>nti care au acelasi tutor:<br />

<strong>SELECT</strong> S1.NUME "STUDENT 1",<br />

S2.NUME "STUDENT 2",<br />

S2.TUTOR "TUTOR"<br />

FROM STUD S1, STUD S2<br />

WHERE S1.TUTOR=S2.TUTOR;<br />

INCORECT! Apar si cupluri cu acelasi<br />

stu<strong>de</strong>nt<br />

F. Radulescu. Curs: <strong>Baze</strong> <strong>de</strong> <strong>date</strong> -<br />

Limbajul SQL<br />

20

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