UPDATE city_final SET city_final.distance=500000, where city_final.fromcountryID =1 and city_final.tocountryID!=1
我想通过检查列中的distance =500000
来更新countryID
什么是thids查询的错误
答案 0 :(得分:3)
在city_final.distance=500000
UPDATE city_final
SET city_final.distance=500000
where city_final.fromcountryID =1 and city_final.tocountryID!=1