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Apartado 3.6: Conceptos Avanzados de Hibernate

Apartado 3.6: Conceptos Avanzados de Hibernate

Apartado 3.6: Conceptos Avanzados de Hibernate

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Más sobre HQL – Funciones agregadas (y 3)<br />

<br />

SUM<br />

<br />

<br />

<br />

Calcula la suma<br />

Devuelve Long si se aplica a enteros, Double si se aplica a<br />

reales y BigInteger/BigDecimal cuando se aplica a<br />

argumentos BigInteger/BigDecimal<br />

Ejemplo: calcula el salario total <strong>de</strong> los empleados<br />

SELECT SUM(e.salary) FROM Employee e

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