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/*----------------------------------------------------------------
-- Author :feixianxxx(poofly)
-- Date :2010-05-12 19:43:03
-- Version:
-- Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (Intel X86)
Mar 29 2009 10:27:29
Copyright (c) 1988-2008 Microsoft Corporation
Enterprise Evaluation Edition on Windows NT 6.1 <X86> (Build 7600: )
-- Content:SQL Server2008ÐÂÔö¹¦ÄÜС½á
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create table test_1
(
id int
)
insert test_1 values(1),(2),(3)
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declare @n int=1,@n2 int =2
select @n,@n2
3.3forceseek
create table test_2
(id int unique ,value int )
create index l on test_2(value)
insert test_2 values(1,2),(2,2),(3,2),(4,3),(5,4)
go
select * from test_2 where id in(1,3,5)
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from T
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