SQL Exercise: Find the number of self-goals scored in EURO cup 2016
SQL soccer Database: Basic Exercise-7 with Solution
7. From the following table, write a SQL query to find the number of self-goals scored during the 2016 European Championship.
Sample table: goal_details
Sample Solution:
SELECT COUNT(*)
FROM goal_details
WHERE goal_type='O';
Sample Output:
count ------- 3 (1 row)
Relational Algebra Expression:

Relational Algebra Tree:

Practice Online
Sample Database: soccer

Query Visualization:
Duration:

Rows:

Cost:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.
Previous SQL Exercise: Find the date when did Football EURO cup 2016 begin.
Next SQL Exercise: Number of matches ended with a results in group stage.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
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
- Exercises: Weekly Top 12 Most Popular Topics
- Pandas DataFrame: Exercises, Practice, Solution
- Conversion Tools
- JavaScript: HTML Form Validation
- SQL Exercises, Practice, Solution - SUBQUERIES
- C Programming Exercises, Practice, Solution : For Loop
- Python Exercises, Practice, Solution
- Python Data Type: List - Exercises, Practice, Solution
- C++ Basic: Exercises, Practice, Solution
- SQL Exercises, Practice, Solution - exercises on Employee Database
- SQL Exercises, Practice, Solution - exercises on Movie Database
- SQL Exercises, Practice, Solution - exercises on Soccer Database
- C Programming Exercises, Practice, Solution : Recursion