釆用虚拟存储器的目的是 。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id < 2430569 and id<>'2430569' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id > 2430569 and id<>'2430569' order by id asc limit 5