Informatics Practices
Based on the SQL table CAR_SALES, write suitable queries for the following :
| NUMBER | SEGMENT | FUEL | QT1 | QT2 |
|---|---|---|---|---|
| 1 | Compact HatchBack | Petrol | 56000 | 70000 |
| 2 | Compact HatchBack | Diesel | 34000 | 40000 |
| 3 | MUV | Petrol | 33000 | 35000 |
| 4 | MUV | Diesel | 14000 | 15000 |
| 5 | SUV | Petrol | 27000 | 54000 |
| 6 | SUV | Diesel | 18000 | 30000 |
| 7 | Sedan | Petrol | 8000 | 10000 |
| 8 | Sedan | Diesel | 1000 | 5000 |
(i) Display fuel wise average sales in the first quarter.
(ii) Display segment wise highest sales in the second quarter.
(iii) Display the records in the descending order of sales in the second quarter.
SQL Queries
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Answer
(i)
SELECT FUEL, AVG(QT1) AS Avg_Sales_QT1
FROM CAR_SALES
GROUP BY FUEL;
Output
+--------+---------------+
| FUEL | Avg_Sales_QT1 |
+--------+---------------+
| Petrol | 31000.0000 |
| Diesel | 16750.0000 |
+--------+---------------+
(ii)
SELECT SEGMENT, MAX(QT2) AS HIGHEST_SALES
FROM CAR_SALES
GROUP BY SEGMENT;
Output
+-------------------+---------------+
| SEGMENT | HIGHEST_SALES |
+-------------------+---------------+
| Compact HatchBack | 70000 |
| MUV | 35000 |
| SUV | 54000 |
| Sedan | 10000 |
+-------------------+---------------+
(iii)
SELECT * FROM CAR_SALES
ORDER BY QT2 DESC;
Output
+--------+-------------------+--------+-------+-------+
| NUMBER | SEGMENT | FUEL | QT1 | QT2 |
+--------+-------------------+--------+-------+-------+
| 1 | Compact HatchBack | Petrol | 56000 | 70000 |
| 5 | SUV | Petrol | 27000 | 54000 |
| 2 | Compact HatchBack | Diesel | 34000 | 40000 |
| 3 | MUV | Petrol | 33000 | 35000 |
| 6 | SUV | Diesel | 18000 | 30000 |
| 4 | MUV | Diesel | 14000 | 15000 |
| 7 | Sedan | Petrol | 8000 | 10000 |
| 8 | Sedan | Diesel | 1000 | 5000 |
+--------+-------------------+--------+-------+-------+
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