mih*_*hai 4 mysql sql join one-to-many
我有2个mysql表,如下例所示:
汽车
Id CAR NAME AGE
1 Ford 2 years
2 AUDI 1 years
3 Ford 2 years
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OPTIONS
Id id_car option
1 1 ESP
2 2 ABS
3 3 ABS
4 3 ESP
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而且我需要选择所有拥有ABS和ESP的2岁车.所以它应该在这个例子中回归:3福特
如果你有任何想法......
谢谢
由/具有的组将确保汽车具有两种期望的特征.
select c.id, c.name
from cars c
inner join options o
on c.id = o.id_car
and o.option in ('ABS','ESP')
where c.age = 2
group by c.id, c.name
having count(distinct o.option) = 2
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