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SQL exercises on soccer Database: Find the number of booking happened in each half of play within normal play schedule

SQL soccer Database: Exercise-27 with Solution

27. From the following table, write a SQL query to count the number of booking happened in each half of play within normal play schedule. Return play_half, play_schedule, number of booking happened.

Sample table: player_booked


Sample Solution:

SQL Code:

SELECT play_half,play_schedule,COUNT(*) 
FROM player_booked
WHERE play_schedule='NT'
GROUP BY play_half,play_schedule;

Sample Output:

 play_half | play_schedule | count
-----------+---------------+-------
         1 | NT            |    61
         2 | NT            |   123
(2 rows)

Relational Algebra Expression:

Relational Algebra Expression: Find the number of booking happened in each half of play within normal play schedule.

Relational Algebra Tree:

Relational Algebra Tree: Find the number of booking happened in each half of play within normal play schedule.

Practice Online


Sample Database: soccer

soccer database relationship structure

Query Visualization:

Duration:

Query visualization of Find the number of booking happened in each half of play within normal play schedule - Duration

Rows:

Query visualization of Find the number of booking happened in each half of play within normal play schedule - Rows

Cost:

Query visualization of Find the number of booking happened in each half of play within normal play schedule - Cost

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Previous: From the following tables, write a SQL query to count the number of penalty shots taken by the teams. Return country name, number of shots as "Number of Shots".
Next: From the following table, write a SQL query to count the number of booking happened in stoppage time.

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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