下列选项中，不属于计算机日常维护性操作的是（31) o

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29740' and id < 2415548 and id<>'2415548' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29740' and id > 2415548 and id<>'2415548' order by id asc limit 5