计算机系统出现死锁是因为 。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30252' and id < 2447341 and id<>'2447341' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30252' and id > 2447341 and id<>'2447341' order by id asc limit 5