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2339. All the Matches of the League.py
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2339. All the Matches of the League.py
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2339. All the Matches of the League
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SQL Schema
Table: Teams
+-------------+---------+
| Column Name | Type |
+-------------+---------+
| team_name | varchar |
+-------------+---------+
team_name is the primary key of this table.
Each row of this table shows the name of a team.
Write an SQL query that reports all the possible matches of the league. Note that every two teams play two matches with each other, with one team being the home_team once and the other time being the away_team.
Return the result table in any order.
The query result format is in the following example.
Example 1:
Input:
Teams table:
+-------------+
| team_name |
+-------------+
| Leetcode FC |
| Ahly SC |
| Real Madrid |
+-------------+
Output:
+-------------+-------------+
| home_team | away_team |
+-------------+-------------+
| Real Madrid | Leetcode FC |
| Real Madrid | Ahly SC |
| Leetcode FC | Real Madrid |
| Leetcode FC | Ahly SC |
| Ahly SC | Real Madrid |
| Ahly SC | Leetcode FC |
+-------------+-------------+
Explanation: All the matches of the league are shown in the table.