数据库概念设计阶段得到的结果是( )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29839' and id < 2421704 and id<>'2421704' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29839' and id > 2421704 and id<>'2421704' order by id asc limit 5