下列关于观察法的优点，说法错误的是( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25992' and id < 2181451 and id<>'2181451' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25992' and id > 2181451 and id<>'2181451' order by id asc limit 5