Skip to content
PostgreSQL Summary Stats and Window Functions
  • AI Chat
  • Code
  • Report
  • PostgreSQL Summary Stats and Window Functions

    Here you can access the summer_medals table used in the course. To access the table, you will need to specify the medals schema in your queries (e.g., medals.summer_medals).

    Take Notes

    Add notes about the concepts you've learned and SQL cells with queries you want to keep.

    Add your notes here

    Spinner
    DataFrameavailable as
    movie_info
    variable
    -- Add your own queries here
    SELECT *
    FROM medals.summer_medals
    LIMIT 5

    Explore Datasets

    Use the summer_medals table to explore the data and practice your skills!

    • Select the athlete, event, and year from the summer_medals table.
      • Add another column, previous_winner, which contains the previous winner of the same event.
      • Filter your results for gold medalists.
    • Return the year, total number of medalists per year, and running total number of medalists in the history of the Summer Olympics.
      • Order your results by year in ascending order.
    • Return the country, year, and the number of gold medals earned.
      • Limit your results to the years 2004, 2008, and 2012.
      • Each country should have a subtotal of all gold medals earned across the three years.