下列关于无菌术的概念，错误的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31203' and id < 2505293 and id<>'2505293' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31203' and id > 2505293 and id<>'2505293' order by id asc limit 5