SQL-Querys-Unterricht/Querys/HowManyStudentAreInWhichClass.sql
2022-03-23 08:19:55 +01:00

1 line
142 B
SQL

SELECT klasse.name , COUNT(*) as Schueleranzahl from klasse left join schueler on schueler.klasse_id = klasse.id GROUP by schueler.klasse_id ;