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00000001 a 2009-09-20 50
00000002 b 2009-09-20 33
00000003 a 2009-09-20 90
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00000016 a 2009-09-23 120
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select ϵ¥Ê±¼ä, sum£¨¶©µ¥½ð¶î£© from ¶©µ¥±í where ÉÌÆ·Àà±ð=a and ϵ¥Ê±¼ä=to_date('2009/09/20','yyyy/mm/dd') group by ϵ¥Ê±¼ä
select sum(money) from test
where type=a
group by time
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select ÉÌÆ·Àà±ð,trunc(ϵ¥Ê±¼ä,'dd'),sum(¶©µ¥½ð¶î)
from table1
group by ÉÌÆ·Àà±ð,trunc
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try
{
::CoInitialize(NULL);
hr=m_pConnection.Creat ......
±¾À´ÒªÐ´¸öupdateÓï¾ä
update table_a A
set A.flag=1
where A.id in (select B.id from table_b B)
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update table_a A
set A.flag=1
where ......
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ID Name
1 Jack,Tom,Ben
2 Mary,Simth,Tony,Jay
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ID Name
1 Jack
1 Tom
1 Ben
2 Mary
2 Simth
2 Tony
2 Jay
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