add the solution of the teacher

This commit is contained in:
Andreas Zweili 2017-06-16 17:30:26 +02:00
parent cf0112419a
commit a7e5a84f1a
1 changed files with 1 additions and 1 deletions

View File

@ -70,7 +70,7 @@ use Abo;
go
create view mitglied_aboart_v(AboArt, Anzahl)
as select abo.abo_name, COUNT(abo.abo_id) AS MitgliederProAbo
as select abo.abo_name, COUNT(*) Anzahl
FROM mitglied
INNER JOIN abo ON mitglied.abo_id = abo.abo_id
GROUP BY abo.abo_name;