[LeetCode 595] Big Countries [MySql]

1. Description There is a table World name continent area population gdp Afghanistan Asia 652230 25500100 20343000 Albania Europe 28748 28...

[LeetCode 596] Classes More Than 5 Students [MySql]

1. Description There is a table courses with columns: student and class Please list out all classes which have more than or equal to 5 students. 2....