有一个courses 表 ,有: student (学生) 和 class (课程)。 请列出所有超过或等于5名学生的课。 例如,表: +---------+------------+ | student | class | +---------+------------+ | A | Math | | B | English | | C | Math | | D | Biology | | E | Math | | F | Computer | | G | Math | | H | Math | | I | Math | +---------+------------+ 应该输出: +---------+ | class | +---------+ | Math | +---------+ 来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/classes-more-than-5-students 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。
# Write your MySQL query statement below select class from courses group by class having count(distinct student) >= 5