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  1. Prepare
  2. SQL
  3. Aggregation
  4. Population Density Difference
  5. Discussions

Population Density Difference

  • roshankumar350
     + 0 comments

    MYSQL SOLUTION Approch 1

    SELECT ABS((SELECT POPULATION FROM CITY ORDER BY POPULATION DESC LIMIT 1) - (SELECT POPULATION FROM CITY ORDER BY POPULATION ASC LIMIT 1)) FROM CITY LIMIT 1

    Approch 2

    SELECT (MAX(POPULATION) - MIN(POPULATION)) FROM CITY;