负贵存取和管理文件信息的软件机构是( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29841' and id < 2421897 and id<>'2421897' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29841' and id > 2421897 and id<>'2421897' order by id asc limit 5