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±íÃû: hisdata
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Id value state dattime
101 32.3 0 2010-4-7 12£º34£º56
102 19.2 1 2010-4-7 12£º34£º46
103 23.2 0 2010-4-7 14£º21£º02
101 32.3 0 2010-4-7 15£º13£º31
102 19.2 1 2010-4-7 15£º28£º24
103 23.2 0 2010-4-7 15£º27£º46
--- ---- -- ------
--- ----- --- ------
101 32.3 0 2010-4-10 7£º56£º24
102 19.2 1 2010-4-10 7£º31£º32
103 23.2 0 2010-4-10 8£º19£º15
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up.
SQL code:
select max(value) as maxValue,convert(varchar(10),[dattime],120) as [date]
from hisdata
where convert(varchar(10),[dattime],120) between '2009-04-07' and '2009-04-10'
and Id=101
group by convert(varchar(10),[dattime],120)
select top 1 datetime from testtable4 where Id='101' and convert(datetime,datetime1) between convert(datetime,'2010-04-07 12:00:00') and conve
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