具有约束纵行诸经功能的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28643' and id < 2337507 and id<>'2337507' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28643' and id > 2337507 and id<>'2337507' order by id asc limit 5