8 lines
274 B
MySQL
8 lines
274 B
MySQL
|
SELECT A.nombre, COUNT(*) FROM actividad A
|
||
|
|
JOIN participar P ON (P.id_actividad = A.id_actividad)
|
||
|
|
JOIN alumno A2 ON (A2.rut_alumno = P.rut_alumno)
|
||
|
|
WHERE (A2.fecha_nacimiento >= '2006-01-01'
|
||
|
|
AND A2.fecha_nacimiento <= '2008-12-31')
|
||
|
|
GROUP BY (A.nombre)
|
||
|
|
HAVING COUNT(*) > 5;
|