I figured it out, but used long and repeated query. I don't know

分组排序 in oralce. Could you please give me some clue? Thanks!

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这个问题好像别人问过 -小丹尼- 给 小丹尼 发送悄悄话 (144 bytes) () 07/20/2009 postreply 11:43:06

看看这个方案 -小丹尼- 给 小丹尼 发送悄悄话 (1477 bytes) () 07/20/2009 postreply 11:46:26

You are awesome! I used RANK and make it work. THANK YOU! -小虾米- 给 小虾米 发送悄悄话 (0 bytes) () 07/20/2009 postreply 12:07:29

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