added group by count in class subj taken

Author: letsdeepchat

ADVANCED SELECT AND JOINS/180. Consecutive Numbers.sql

@@ -3,3 +3,4 @@ SELECT DISTINCT l1.num as ConsecutiveNums
 FROM Logs l1
 JOIN Logs l2 ON l1.num = l2.num and l1.id = l2.id + 1
 JOIN Logs l3 ON l2.num = l3.num and l2.id = l3.id + 1;
+

SORTING AND GROUP/596. Classes More Than 5 Students.sql

@@ -0,0 +1,3 @@
+# Write your MySQL query statement below
+SELECT class FROM Courses
+GROUP BY class HAVING COUNT(class) >= 5;