摘要： C#编程之路（牛人之作）：http://www.cnblogs.com/BeginnerClassroom/archive/2009/09/23/1572948.html 阅读全文

摘要： select max(case when a < 1 then '' else '1*'+cast(a as varchar)+'='+cast(a*1 as varchar) end) as [1], max(case when a < 2 then '' else '2*'+cast(a as varchar)+'='+cast(a*2 as varchar) end) as [... 阅读全文