Informatics Practices
Consider the following tables:
Table 1:
ATHLETE, which stores AthleteID, Name, Country. The table displays basic information of the athletes.
Table 2:
MEDALS, which stores AthleteID, Sport, and Medals. The table displays the number of medals won by each athlete in their respective sports.
Table: ATHLETE
| AthleteID | Name | COUNTRY |
|---|---|---|
| 101 | Arjun | INDIA |
| 102 | Priya | INDIA |
| 103 | Asif | UAE |
| 104 | Rozy | USA |
| 105 | David | DENMARK |
Table: MEDALS
| AthleteID | Sport | Medals |
|---|---|---|
| 101 | Swimming | 8 |
| 102 | Track | 3 |
| 103 | Gymnastics | 5 |
| 104 | Swimming | 2 |
| 105 | Track | 6 |
Write appropriate SQL queries for the following:
I. Display the sports-wise total number of medals won.
II. Display the names of all the Indian athletes in uppercase.
III. Display the athlete name along with their corresponding sports
SQL Joins & Grouping
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Answer
I.
SELECT Sport, SUM(Medals)
FROM MEDALS
GROUP BY Sport;
II.
SELECT UPPER(Name)
FROM ATHLETE
WHERE Country = 'INDIA';
III.
SELECT Name, Sport
FROM ATHLETE A, MEDALS M
WHERE A.AthleteID= M.AthleteID;
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