摘要: 内容回顾(全) 查询 查询关键字 完整版sql语句的查询 select distinct post,avg(salary) from table1 where id > 1 group by post having avg(salary) > 1000 order by avg(salary) li 阅读全文
posted @ 2019-08-22 15:33 泡泡茶壶i 阅读(287) 评论(0) 推荐(0)