SQL exercises on soccer Database: Find the total number of players replaced in the tournament
SQL soccer Database: Basic Exercise-15 with Solution
15. Write a query in SQL to find the total number of players replaced in the tournament.
Sample table: player_in_out
SELECT COUNT(*) as "Player Replaced" FROM player_in_out WHERE in_out='I';
Player Replaced ----------------- 293 (1 row)
Sample Database: soccer
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