SQL Exercise: Find the team that took penalty shot number 26

SQL soccer Database: Joins Exercise-38 with Solution

38. From the following tables, write a SQL query to find the team against which the penalty shot number 26 was taken. Return match number, country name.

Sample table: penalty_shootout

Sample table: soccer_country

Sample Solution:

SQL Code:

SELECT match_no,
FROM penalty_shootout a
JOIN soccer_country c ON a.team_id=c.country_id
WHERE match_no=
    (SELECT match_no
     FROM penalty_shootout
     WHERE kick_id=26)
  AND country_name<>
    (SELECT country_name
     FROM soccer_country
     WHERE country_id=
         (SELECT team_id
          FROM penalty_shootout
          WHERE kick_id=26))
GROUP BY match_no,

Sample Output:

 match_no | country_name
       47 | Germany
(1 row)

Code Explanation:

The said query in SQL that retrieves the match number and country name from the penalty_shootout table and the soccer_country table respectively, for the same match as the kick with kick_id 26 but for a different team. It also groups the results by match number and country name.
The JOIN clause joins the penalty_shootout table aliased as "a" and the soccer_country table aliased as "c" based on the team_id and country_id columns.
The WHERE clause filters the results to only include rows where the match_no column is equal to the match number of the kick with kick_id 26. This is achieved by using a subquery to select the match number from the penalty_shootout table where kick_id=26.
The another WHERE clause also filters the results to exclude rows where the country_name column is equal to the country name of the team that took the kick with kick_id 26. This is achieved by using a subquery to select the team_id from the penalty_shootout table where kick_id=26, and then using another subquery to select the country_name from the soccer_country table where country_id is equal to the selected team_id.
The GROUP BY statement groups the results by match_no and country_name.

Practice Online

Sample Database: soccer

soccer database relationship structure

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Previous SQL Exercise: Find the player who took the 26th penalty shot.
Next SQL Exercise: Find the captain who was also the goalkeeper.

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