diff options
Diffstat (limited to 'eindopdracht/t9.sql')
| -rw-r--r-- | eindopdracht/t9.sql | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/eindopdracht/t9.sql b/eindopdracht/t9.sql new file mode 100644 index 0000000..6c72b90 --- /dev/null +++ b/eindopdracht/t9.sql @@ -0,0 +1,9 @@ +select + Land.Naam, + count(`Type`.ID) as "Aantal types" +from `Type` +left join Merk on Merk.ID = `Type`.MerkID +left join Hoofdkantoor on Hoofdkantoor.MerkID = Merk.ID +left join Locatie on Locatie.ID = Hoofdkantoor.LocatieID +left join Land on Land.ID = Locatie.LandID +group by Land.ID; |