Tengo esta tabla
Código MySQL:
Me piden lo siguiente: Mostrar promedio de las calificaciones de alumnos, con matricula 116011,116014,116016, 216012,216013,216015.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'
Como lo hago:
Llevo esto....
Código SQL:
Ver original
SELECT avg(cal1b) FROM calificaciones WHERE matricula IN(116011,116014,116016, 216012,216013,216015) ORDER BY matricula;