摘要: 样表如下:StudentIDsNameSubjectScore1张三Chinese802张三Math903张三English854李四Chinese855李四Math926李四English82 Access:TRANSFORM Avg(Student.Score) AS ScoreOfAvg... 阅读全文
posted @ 2014-08-12 18:09 悠哉游哉 阅读(707) 评论(0) 推荐(0)