Write a query to display how many people are in each class (put o for classes without students). - Use a LEFT or RIGHT join with a subquery - Use IFNULL to assign o to classes without students - See: https://www.w3schools.com/sql/sql isnull.asp 111 - SELECT * FROM students 3 Edit: \[ \begin{array}{l} 85 \text { - SELECT * FROM registered_students; } \\ 86 \end{array} \]