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Question 12
Cities With More Than Three Students
Cities With More Than Three Students
Which home cities have more than three students? Returncityandstudents(the count), only for cities whose count is above 3, sorted bystudentsdescending and then bycity. The filter must apply to the count, so it cannot go in aWHEREclause.
Expected result:
+-------------+----------+ | city | students | +-------------+----------+ | Toronto | 8 | | Ottawa | 5 | | Hamilton | 4 | | Mississauga | 4 | +-------------+----------+ 4 rows
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