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INFORMATICA MEDICA

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Raggruppamenti<br />

• GROUP BY: raggruppa righe secondo la<br />

lista degli attributi specificata<br />

• HAVING: specifica delle condizioni sui<br />

gruppi formati dagli attributi della<br />

clausola GROUP BY<br />

Inf. Med.- 3. Panoramica su SQL -<br />

A.A. 2013-14

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