求一条sql查询语句
											有两个表如下字段:MyTb1: sID, sName, sDate
MyTb2: mID, mName, mDate
实现查询结果:
将两个表合并,显示出最近的10条记录
请问怎么实现?不知道说清楚没有?
 2008-08-06 13:01
	    2008-08-06 13:01
   2008-08-06 17:07
	    2008-08-06 17:07
   2008-08-06 17:35
	    2008-08-06 17:35
  
 2008-09-16 21:41
	    2008-09-16 21:41
   2008-09-17 15:35
	    2008-09-17 15:35
   2008-09-17 16:25
	    2008-09-17 16:25
   2008-09-18 10:26
	    2008-09-18 10:26