私は2つのテーブルを持っています:
1. Table Master(Vehicle,Vehicle_Color) :
Vehicle Vehicle_Color
---------------------------
Car Black
Car Yellow
Car White
Car Orange
motorcyle Black
motorcyle Yellow
motorcyle White
motorcyle Orange
2. Table Data(Name,Vehicle,Vehicle_Color) :
Name Vehicle Vehicle_Color
-----------------------------------
Ony motorcycle white
Galih motorcycle white
Zening motorcycle black
Lia motorcycle yellow
Tika motorcycle yellow
Fredy car black
Kenzy car white
Arka car white
Nugraha car white
vehicle 、 vehicle_color を選択して、車両の数と色を数えたい
query :
select vehicle,vehicle_color,(.....) as number
from Master left join data on ....
このような結果
Vehicle Vehicle_Color Number
--------------------------------------
Car Black 1
Car Yellow 0
Car White 3
Car Orange 0
motorcyle Black 1
motorcyle Yellow 2
motorcyle White 2
motorcyle Orange 0
クエリを作成するための提案はありますか? Tq..