hehuaflower

摘要： 首先创建测试表、添加数据。 create table #t(a int,b int,c int,d int,e int) insert into #t values(1,2,3,4,5) insert into #t values(1,2,3,4,6) insert into #t values(1,2,3,4,7) insert into #t values(1,2,3,4,8) insert ... 阅读全文