我对sql很陌生,有什么区别
select vehicle.plates, make, model
from vehicle
join registration on registration.plates = vehicle.plates
where country = 'Japan';和
select vehicle.plates, make, model
from registration, vehicle
where registration.plates = vehicle.plates and country=’Japan’;发布于 2013-11-02 09:31:35
第一个查询符合ANSI标准,另一个查询不兼容。
不过,查询应该返回相同的结果。
https://stackoverflow.com/questions/19740580
复制相似问题