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ID    DATE    CODE    TIME
=============================
A    1123    9      0015
A    1123    0      1535
A    1123    9      1620

A    1124    0      2330
A    1124    9      0010

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SQL code:

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-- =============================================
-- Author: T.O.P
-- Create date: 2009/11/26
-- Version: SQL SERVER 2005
-- =============================================
declare @TB table([ID] varchar(1),[DATE] int,[CODE] int,[TIME] varchar(4))
insert @TB
select 'A',1123,9,'0015' union all
select 'A',1123,0,'1535' union all
select 'A',1123,9,'1620' union all
select 'A',1124,0,'2330' union all
select 'A',1124,9,'0010'

select *
from @TB a
where (code=0)
or (code=9 and [TIME]>(select min(time) from @tb where code=0))


--²âÊÔ½á¹û:
/*
ID DATE CODE TIME
---- ----------- ----------- ----
A 1123 0 1535
A 1123


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