处理海量数据时，删除重复数据的作用不包括（13) o

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29738' and id < 2415735 and id<>'2415735' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29738' and id > 2415735 and id<>'2415735' order by id asc limit 5