Conditional selection and summation with CASE WHEN

You can use CASE statements to apply a constraint and run a calculation by including the statement inside an aggregate function like SUM()!

In this exercise, your goal is to filter for a specific team (Real Sociedad) and calculate their total home and away goals per season.

Deze oefening maakt deel uit van de cursus

Data Manipulation in SQL

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Oefeninstructies

Create a CASE statement to calculate the total number of home goals where the hometeam_id is 8560.
Create a second CASE statement to calculate the total number of away goals where the awayteam_id is 8560, aliasing the column as away_goals.
Group the query by season.

Praktische interactieve oefening

Probeer deze oefening eens door deze voorbeeldcode in te vullen.

SELECT season,
	-- SUM the home goals
    ___(___ ___ hometeam_id = 8560 THEN ___ END) AS home_goals,
    -- SUM the away goals
    ___
FROM match
-- Group the results by season
___

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