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. From the following table, write a SQL query to count the total number of players replaced in the extra time of play.
Sample table: player_in_out
Sample Solution:
SELECT COUNT(*)
FROM player_in_out
WHERE play_schedule='ET'
AND in_out='I';
Sample Output:
count ------- 9 (1 row)
Relational Algebra Expression:
Relational Algebra Tree:
Practice Online
Sample Database: soccer
Query Visualization:
Duration:
Rows:
Cost:
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Previous: From the following table, write a SQL query to count the total number of goalless draws have there in the entire tournament. Return number of goalless draws.
Next: From the following table, write a SQL query to count the number of substitute happened in various stage of play for the entire Tournament. Sort the result-set in ascending order by play-half, play-schedule and number of substitute happened. Return play-half, play-schedule, number of substitute happened.
What is the difficulty level of this exercise?
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SQL: Tips of the Day
SQL Server SELECT into existing table.
INSERT INTO dbo.TABLETWO SELECT col1, col2 FROM dbo.TABLEONE WHERE col3 LIKE @search_key
This assumes there's only two columns in dbo.TABLETWO - you need to specify the columns otherwise:
INSERT INTO dbo.TABLETWO (col1, col2) SELECT col1, col2 FROM dbo.TABLEONE WHERE col3 LIKE @search_key
Database: SQL Server
Ref: https://bit.ly/3y6tpA3
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