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SQL Exercise: Find the number of penalty shots taken by the teams

SQL soccer Database: Exercise-26 with Solution

26. From the following table, write a SQL query to count the number of penalty shots taken by each team. Return country name, number of shots as "Number of Shots".

Sample table: soccer_country


Sample table: penalty_shootout


Sample Solution:

SQL Code:

SELECT a.country_name, COUNT(b.*) as "Number of Shots" 
FROM soccer_country a, penalty_shootout b
WHERE b.team_id=a.country_id
GROUP BY a.country_name;

Sample Output:

 country_name | Number of Shots
--------------+-----------------
 Poland       |               9
 Italy        |               9
 Germany      |               9
 Portugal     |               5
 Switzerland  |               5
(5 rows)

Practice Online


Sample Database: soccer

soccer database relationship structure

Query Visualization:

Duration:

Query visualization of Find the number of penalty shots taken by the teams - Duration

Rows:

Query visualization of Find the number of penalty shots taken by the teams - Rows

Cost:

Query visualization of Find the number of penalty shots taken by the teams - Cost

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Previous SQL Exercise: List of players with shot numbers in penalty shootouts.
Next SQL Exercise: Within each half of play, find the number of bookings.

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SQL: Tips of the Day

Can a foreign key be NULL and/or duplicate?

First remember a Foreign key simply requires that the value in that field must exist first in a different table (the parent table). That is all an Foreign key is by definition. Null by definition is not a value. Null means that we do not yet know what the value is.

Ref: https://bit.ly/3uVu3OS