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課³Ì號 ÉÏ課時間
123 2009/1/8
1234 2009/1/9
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課³Ì號 123 1234
ÉÏ課時間 2009/1/8 2009/1/9
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DM1 DM2 MC1 VAL
101 1 c1 100
101 1 c2 80
101 1 c3 40
101 2 c1 30
101 2 c2 80
102 4 c1 9
102 6 c2 50
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DM1 DM2 c1 c2 c3
101 1 100 80 40
101 2 30 80
102 4 9
102 6 50
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with tt as(select 101 DM1,1 DM2, 'c1'MC1,100 VAL from dual
union all select 101,1,'c2',80 from dual
union all select 101,1,'c3
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