设有关系R、S、T如下所示，则(55) »

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29739' and id < 2415638 and id<>'2415638' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29739' and id > 2415638 and id<>'2415638' order by id asc limit 5