w3resource
SQL exercises

SQL exercises on soccer Database: Find the total number of players replaced in the first half of play

SQL soccer Database: Basic Exercise-18 with Solution

18. Write a query in SQL to find the total number of players replaced in the first half of play.

Sample table: player_in_out


Sample Solution:

SELECT COUNT(*) as "Player Replaced"
FROM player_in_out
WHERE in_out='I'
AND play_schedule='NT'
AND play_half=1;

Sample Output:

 Player Replaced
-----------------
               3
(1 row)

Query Visualization:

Duration:

Query visualization of Find the total number of players replaced in the first half of play - Duration

Rows:

Query visualization of Find the total number of players replaced in the first half of play - Rows

Cost:

Query visualization of Find the total number of players replaced in the first half of play - Cost

Practice Online



Sample Database: soccer

soccer database relationship structure

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a query in SQL to find the number of players replaced in the stoppage time.
Next: Write a query in SQL to find the total number of goalless draws have there in the entire tournament.

What is the difficulty level of this exercise?



New Content: Composer: Dependency manager for PHP, R Programming