MySQL Solution
Code\nmysql\n# Write your MySQL query statement below\nwith temp as (\n    select class, count(student) as number\n    from Courses\n    group by class\n)\nsele
# Code\n```mysql\n# Write your MySQL query statement below\nwith temp as (\n    select class, count(student) as number\n    from Courses\n    group by class\n)\nselect class\nfrom temp\nwhere number >= 5;\n```
['MySQL']