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SQL code:

if object_id('log20090927')is not null drop table log20090927
go
create table log20090927( a int, b int,c int )
insert log20090927 select
1,3,4 union all select
2,2,2


if object_id('pro')is not null drop proc pro
go

create proc pro
(@b int, @rq varchar(20))
as
declare @s varchar(50)
set @s='log'+@rq

set @s='select * from '+@s+' where b='+ltrim(@b)
exec(@s)

go

exec pro 2,'20090927' ----Ò²¿ÉÒԸijÉÈÕÆÚ·¶Î§

a b c
----------- ----------- -----------
2 2 2

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