用左连接啊. select 性别,sum(开户)as 开户数量 from (select y.性别,iif(k.user_id ** not **,1,0)as 开户 from 用户 y left join 银行开户 k on y.user_id=k.user_id) group by 性别 20210311
第一题答案是 a. faced, master(faced) with th** fiercely competitive society, (master) engl**h well and you'll succeed第二题答案是 a. shouldthe baseball team has been doing well th** season, so they (should) w...
1.** one of the founders of the association, ** responsible for the establ**hment of the association before and after the image of the external design and publicity work2, the primary obligation to pr...