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 Tree:

Practice Online

Sample Database: soccer

Query Visualization:

Duration:

Rows:

Cost:

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