SQL exercises on soccer Database: Find the total number of players replaced in the extra time of play
SQL soccer Database: Basic Exercise-20 with Solution
20. Write a query in SQL to find the total number of players replaced in the extra time of play.
Sample table: player_in_out
SELECT COUNT(*) FROM player_in_out WHERE play_schedule='ET' AND in_out='I';
count ------- 9 (1 row)
Sample Database: soccer
Have another way to solve this solution? Contribute your code (and comments) through Disqus.
Previous: Write a query in SQL to find the total number of goalless draws have there in the entire tournament.
Next: Write a query in SQL to compute a list to show the number of substitute happened in various stage of play for the entire tournament.
What is the difficulty level of this exercise?