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Una funcion se ejecuta dos veces siendo la misma con igual parametro?
Posted by: PAUL CARLOS HERRERA PEREZ
Date: August 19, 2020 01:05AM

Hola, suponiendo que tenga la sgte consulta:
SELECT Sum(imp) AS totalimp,
Sum(money) AS totalmoney,
( Sum(money) / Sum(imp) ) AS result
FROM table
GROUP BY date

La funcion Sum(money) se ejecutara dos veces, o el motor realizara un solo calculo?
Gracias adelantadas por la respuesta.

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