摘要: -- 1条件嵌套查询 SELECT DISTINCT Name FROM DB_Achievement A WHERE A.Name not in( SELECT Distinct S.name FROM DB_Achievement S WHERE S.Achievement <80) -- 2 阅读全文
posted @ 2020-10-13 16:30 好记性不如烂笔头-贾 阅读(199) 评论(0) 推荐(0)
摘要: 1 阅读全文
posted @ 2020-09-03 14:15 好记性不如烂笔头-贾 阅读(164) 评论(0) 推荐(0)