01 2013 档案

SQL CTE 和 row_number 配合 用法
摘要：create table employee (empid int ,deptid int ,salary decimal(10,2)) insert into employee values(1,10,5500.00) insert into employee values(2,10,4500.00) insert into employee values(3,20,1900.00... 阅读全文
posted @ 2013-01-10 11:36 忙碌在路上 阅读(307) 评论(0) 推荐(0)