摘要: SQL 建库 建表 TOP Distinct Avg Count Sum Min MAx Where And Or 模糊查询 Like Not Like % _ Order By where desc asc 排序 Group By Having 分组 (要和聚合函数一起使用) Union Unio 阅读全文
posted @ 2016-09-22 21:48 SpringLeee 阅读(3354) 评论(0) 推荐(0)