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SQL exercises on soccer Database: Find the number of matches got a result by penalty shootout

SQL soccer Database: Basic Exercise-9 with Solution

9. From the following table, write a SQL query to find the number of matches got a result by penalty shootout.

Sample table: penalty_shootout


Sample Solution:

SELECT COUNT(DISTINCT match_no) 
FROM penalty_shootout;

Sample Output:

 count
-------
     3
(1 row)

Relational Algebra Expression:

Relational Algebra Expression: Find the number of matches got a result by penalty shootout.

Relational Algebra Tree:

Relational Algebra Tree: Find the number of matches got a result by penalty shootout.

Practice Online



Sample Database: soccer

soccer database relationship structure

Query Visualization:

Duration:

Query visualization of Find the number of matches got a result by penalty shootout - Duration

Rows:

Query visualization of Find the number of matches got a result by penalty shootout - Rows

Cost:

Query visualization of Find the number of matches got a result by penalty shootout - Cost

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Previous: From the following table, write a SQL query to count the number of matches ended with a results in-group stage.
Next: From the following table, write a SQL query to find the number of matches decided by penalties in the Round 16.

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SQL: Tips of the Day

Nested select statement in SQL Server.

You need to alias the subquery.

SELECT name FROM (SELECT name FROM agentinformation) a 

or to be more explicit

SELECT a.name FROM (SELECT name FROM agentinformation) a  

Database: SQL Server

Ref: https://bit.ly/3Qruiu5