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/*
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1002 77 12
1235 87 10
1568 77 23
1869 101 5
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*/
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/*
±êÖ¾´úÂë 77 87 101
------- ----------- ----------- -----------
1002 12 0 0
1235 0 10 0
1568 23 0 0
1869 0 0 5
(4 ÐÐÊÜÓ°Ïì)
*/
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http://topic.csdn.net/u/20091019/11/67cd55a3-3f42-4db7-a3f8-91dd52a913cd.html?2339
http://topic.csdn.net/u/20100109/13/6a10c168-f190-4766-b838-adbf03c4ac7b.html?64786
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group_col in varchar2,
column_col in varchar2,
value_col in varchar2,
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