计算机中的信息单位1G=（）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='58145' and id < 3677059 and id<>'3677059' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='58145' and id > 3677059 and id<>'3677059' order by id asc limit 5