| S.No | Challenge Name | Challenge | Solution |
|---|---|---|---|
| 1. | Revising the Select Query I | Challenge | Solution |
| 2. | Revising the Select Query II | Challenge | Solution |
| 3. | Select All | Challenge | Solution |
| 4. | Select By ID | Challenge | Solution |
| 5. | Japanese Cities Attributes | Challenge | Solution |
| 6. | Japanese Cities Names | Challenge | Solution |
| 7. | Weather Observation Station 1 | Challenge | Solution |
| 8. | Weather Observation Station 3 | Challenge | Solution |
| 9. | Weather Observation Station 4 | Challenge | Solution |
| 10. | Weather Observation Station 5 | Challenge | Solution |
| 11. | Weather Observation Station 6 | Challenge | Solution |
| 12. | Weather Observation Station 7 | Challenge | Solution |
| 13. | Weather Observation Station 8 | Challenge | Solution |
| 14. | Weather Observation Station 9 | Challenge | Solution |
| 15. | Weather Observation Station 10 | Challenge | Solution |
| 16. | Weather Observation Station 11 | Challenge | Solution |
| 17. | Weather Observation Station 12 | Challenge | Solution |
| 18. | Higher Than 75 Marks | Challenge | Solution |
| 19. | Employee Names | Challenge | Solution |
| 20. | Employee Salaries | Challenge | Solution |
| S.No | Challenge Name | Challenge | Solution |
|---|---|---|---|
| 1. | Type of Triangle | Challenge | Solution |
| 2. | The PADS | Challenge | Solution |
| 3. | Occupations | Challenge | Solution |
| 4. | Binary Tree Nodes | Challenge | Solution |
| 5. | New Companies | Challenge | Solution |
| S.No | Challenge Name | Challenge | Solution |
|---|---|---|---|
| 1. | Revising Aggregations - The Count Function | Challenge | Solution |
| 2. | Revising Aggregations - The Sum Function | Challenge | Solution |
| 3. | Revising Aggregations - Averages | Challenge | Solution |
| 4. | Average Population | Challenge | Solution |
| 5. | Japan Population | Challenge | Solution |
| 6. | Population Density Difference | Challenge | Solution |
| 7. | The Blunder | Challenge | Solution |
| 8. | Top Earners | Challenge | Solution |
| 9. | Weather Observation Station 2 | Challenge | Solution |
| 10. | Weather Observation Station 13 | Challenge | Solution |
| 11. | Weather Observation Station 14 | Challenge | Solution |
| 12. | Weather Observation Station 15 | Challenge | Solution |
| 13. | Weather Observation Station 16 | Challenge | Solution |
| 14. | Weather Observation Station 17 | Challenge | Solution |
| 15. | Weather Observation Station 18 | Challenge | Solution |
| 16. | Weather Observation Station 19 | Challenge | Solution |
| 17. | Weather Observation Station 20 | Challenge | Solution |
| S.No | Challenge Name | Challenge | Solution |
|---|---|---|---|
| 1. | Population Census | .Challenge | Solution |
| 2. | African Cities | Challenge | Solution |
| 3. | Average Population of Each Continent | Challenge | Solution |
| 4. | The Report | Challenge | Solution |
| 5. | Top Competitors | Challenge | Solution |
| 6. | Ollivander's Inventory | Challenge | Solution |
| 7. | Challenges | Challenge | Solution |
| 8. | Contest Leaderboard | Challenge | Solution |
| S.No | Challenge Name | Challenge | Solution |
|---|---|---|---|
| 1. | Placements | Challenge | Solution |
| 2. | Symmetric Pairs | Challenge | Solution |
| 3. | Interviews | Challenge | Solution |
| 4. | 15 Days of Learning SQL | Challenge | Solution |
| 5. | SQL Project Planning | Challenge | Solution |
| S.No | Challenge Name | Challenge | Solution |
|---|---|---|---|
| 1. | Draw The Triangle 1 | Challenge | Solution |
| 2. | Draw The Triangle 2 | Challenge | Solution |
| 3. | Print Prime Numbers | Challenge | Solution |