以下哪一种情形涉及定性数据的收集？（ ）[中山大学2012研]

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30461' and id < 2461085 and id<>'2461085' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30461' and id > 2461085 and id<>'2461085' order by id asc limit 5