关于呕血与便血的概念，下列叙述错误的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30585' and id < 2467786 and id<>'2467786' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30585' and id > 2467786 and id<>'2467786' order by id asc limit 5