下列函数中，最小值为2的是

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15531' and id < 2638724 and id<>'2638724' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15531' and id > 2638724 and id<>'2638724' order by id asc limit 5