下列关于数字扫描变换器（DSC)所实现 的功能哪个是错误的

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31793' and id < 2541691 and id<>'2541691' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31793' and id > 2541691 and id<>'2541691' order by id asc limit 5