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SQL Joins exercises on soccer Database: Find the position of a player to play who scored own goal

SQL soccer Database: Joins Exercise-58 with Solution

58. From the following table, write a SQL query to find those players who accidentally scores against his own team. Return player name, jersey number, country name, age, position to play, and playing club.

Sample table: goal_details


Sample table: player_mast


Sample table: soccer_country


Sample Solution:

SQL Code:

SELECT player_name,
       jersey_no,
       country_name,
       age,
       posi_to_play,
       playing_club
FROM goal_details a
JOIN player_mast b ON a.player_id=b.player_id
JOIN soccer_country c ON a.team_id=c.country_id
WHERE goal_type='O'
ORDER BY player_name;

Sample Output:

    player_name     | jersey_no |    country_name     | age | posi_to_play | playing_club
--------------------+-----------+---------------------+-----+--------------+--------------
 Birkir Saevarsson  |         2 | Iceland             |  31 | DF           | Hammarby
 Ciaran Clark       |         3 | Republic of Ireland |  26 | DF           | Aston Villa
 Gareth McAuley     |         4 | Northern Ireland    |  36 | DF           | West Brom
(3 rows)

Relational Algebra Expression:

Relational Algebra Expression: Find the position of a player to play who scored own goal.

Relational Algebra Tree:

Relational Algebra Tree: Find the position of a player to play who scored own goal.

Practice Online


Sample Database: soccer

soccer database relationship structure

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Previous: From the following tables, write a SQL query to find those defenders who scored goal for their team. Return player name, jersey number, country name, age and playing club.
Next: From the following table, write a SQL query to find the results of penalty shootout matches. Return match number, play stage, country name and penalty score.

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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