摘要：
http://topic.csdn.net/u/20110407/15/cfc8e39f-8a7d-4fec-af34-f3fe872bee36.htmlselect * from (select top 5 protId,sortId,userId,regdate,'新表' tbname from tb1 order by regdate descunionselect top 5 protId,sortId,userId,regdate,'旧表' tbname from tb2 order by regdate desc)as aorder by a.reg 阅读全文
