mysql-关于Mysql 的分级输出问题,求大神进
mysqljava
SNAME CNAME SCORE
小李 JAVA 98
小李 mysql 78
小明 JAVA 88
小明 mysql 88
查询结果
sname JAVA MYSQL
小李 优秀 普通
小明 普通 普通
学员的某一门课程分数 高于这门课程的平均分20分以上，优秀高于这门课程平均分10分以上，普通等于这门课程平均分，一般低于这门课程平均分，较差"
我只能做到列转行输出,怎么分级输出,求大神解答
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