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select * from [tablename] where date between \'value1\' and \'value2\'
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if not object_id('Tempdb..#T') is null
drop table #T
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Insert #T
select 1,N'A',N'A1' union all
select 2,N'A',N'A2' union all
select 3,N'A',N'A3' union all
select 4,N'B',N'B1' union all
select 5,N'B',N'B2'
G ......