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×÷Õß: wxy0327(http://wxy0327.itpub.net)
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Oracle
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CLASS1 CALLDATE
CALLCOUNT
1 2005-08-08
40
1 2005-08-07
6
2 2005-08-08
77
3 2005-08-09
33
3 2005-08-08
9
3 2005-08-07
21
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CALLDATE CallCount1
CallCount2 CallCount3
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2005-08-09 0 0
33
2005-08-08 40 77
9
2005-08-07 ¡¡6 ¡¡¡¡¡¡¡¡¡¡0
21
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CREATE TABLE t(
class1 VARCHAR2(2 BYTE),
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