text: -- Github    : https://github.com/adarsh2104
  -- HR-Profile: https://www.hackerrank.com/adarsh_2104
  -- Challenge : https://www.hackerrank.com/challenges/revising-aggregations-the-count-function
  -- Max Score : 10
  
   
  SELECT COUNT(NAME) FROM CITY 
  WHERE 
        POPULATION > 100000 ;
  