摘要: -- not in 的替代写法select col from table1 where col not in(select col from table2); select col,table2.col temp_colfrom table1 left join table2on table1.co 阅读全文
posted @ 2019-12-06 14:04 ConfidentLiu 阅读(4215) 评论(0) 推荐(0) 编辑