Promediar con MySQL Buen día a todos
Tengo esta tabla
Código MySQL:
Ver original'116012', '101', '8', '8', '0', 'A' '116012', '102', '7', '6', '0', 'A' '116012', '103', '9', '5', '0', 'A' '116012', '104', '6', '9', '0', 'A' '116012', '105', '5', '5', '0', 'A' '116012', '106', '5', '7', '0', 'A' '116013', '101', '8', '8', '0', 'A' '116013', '102', '7', '6', '0', 'A' '116013', '103', '9', '5', '0', 'A' '116013', '104', '6', '9', '0', 'A' '116013', '105', '5', '5', '0', 'A' '116013', '106', '5', '7', '0', 'A' '116014', '101', '8', '8', '0', 'A' '116014', '102', '7', '6', '0', 'A' '116014', '103', '9', '5', '0', 'A' '116014', '104', '6', '9', '0', 'A' '116014', '105', '5', '5', '0', 'A' '116014', '106', '5', '7', '0', 'A' '116015', '101', '8', '8', '0', 'A' '116015', '102', '7', '6', '0', 'A' '116015', '103', '9', '5', '0', 'A' '116015', '104', '6', '9', '0', 'A' '116015', '105', '5', '5', '0', 'A' '116015', '106', '5', '7', '0', 'A' '216011', '101', '8', '8', '0', 'A' '216011', '102', '7', '6', '0', 'A' '216011', '103', '9', '5', '0', 'A' '216011', '104', '6', '9', '0', 'A' '216011', '105', '5', '5', '0', 'A' '216011', '106', '5', '7', '0', 'A' '216012', '101', '8', '8', '0', 'A' '216012', '102', '7', '6', '0', 'A' '216012', '103', '9', '5', '0', 'A' '216012', '104', '6', '9', '0', 'A' '216012', '105', '5', '5', '0', 'A' '216012', '106', '5', '7', '0', 'A' '216013', '101', '8', '8', '0', 'A' '216013', '102', '7', '6', '0', 'A' '216013', '103', '9', '5', '0', 'A' '216013', '104', '6', '9', '0', 'A' '216013', '105', '5', '5', '0', 'A' '216013', '106', '5', '7', '0', 'A' '216014', '101', '8', '8', '0', 'A' '216014', '102', '7', '6', '0', 'A' '216014', '103', '9', '5', '0', 'A' '216014', '104', '6', '9', '0', 'A' '216014', '105', '5', '5', '0', 'A' '216014', '106', '0', '7', '0', 'A' '216015', '101', '8', '8', '0', 'A' '216015', '102', '7', '6', '0', 'A' '216015', '103', '9', '5', '0', 'A' '216015', '104', '6', '9', '0', 'A' '216015', '105', '5', '5', '0', 'A' '216015', '106', '5', '7', '0', 'A' '216015', '101', '0', '0', '0', 'A' '216015', '102', '7', '6', '0', 'A' '216015', '103', '9', '5', '0', 'A' '216015', '104', '6', '9', '0', 'A' '216015', '105', '5', '5', '0', 'A' '216015', '106', '5', '7', '0', 'A' '116011', '101', '8', '8', '0', 'A' '116011', '102', '7', '6', '0', 'A' '116011', '103', '9', '5', '0', 'A' '116011', '104', '6', '9', '0', 'A' '116011', '105', '5', '5', '0', 'A' '116011', '106', '5', '7', '0', 'A'
Me piden lo siguiente: Mostrar promedio de las calificaciones de alumnos, con matricula 116011,116014,116016, 216012,216013,216015.
Como lo hago:
Llevo esto....
Código SQL:
Ver originalSELECT avg(cal1b) FROM calificaciones WHERE matricula IN(116011,116014,116016, 216012,216013,216015) ORDER BY matricula;
Última edición por gnzsoloyo; 22/06/2016 a las 05:12
Razón: LEGIBILIDAD DE CODIGOS.
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