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

Population Density Difference

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  • 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;

  • zachjames743
     + 0 comments

    MS SQL 

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

    You don't need brackets on the outside of the aggregate functions.

  • mayanksingh8295
     + 0 comments

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

  • praveen_sulgekar
     + 0 comments

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

  • nhipham117
     + 0 comments

    MySQL

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