由于磁盘上的内部同心圆小于外部同心圆，则对其所存储的数据量而言，_

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id < 2430581 and id<>'2430581' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id > 2430581 and id<>'2430581' order by id asc limit 5