The solutions of all level of SQL questions present in Hackerrank & Leetcode are been provided with both question and answers for better understanding and better optimised solutions.
| Number | Questions | Solutions |
|---|---|---|
| 1 | Type of Triangle | Solution |
| 2 | The PADS | Solution |
| 3 | Binary Tree Nodes | Solution |
| 4 | New Companies | Solution |
| Number | Questions | Solutions |
|---|---|---|
| 1 | Population Census | Solution |
| 2 | African Cities | Solution |
| 3 | Average Population of Each Continent | Solution |
| 4 | The Report | Solution |
| 5 | Ollivander's Inventory | Solution |
| 6 | Challenges | Solution |
| 7 | Contest Leaderboard | Solution |
| 8 | Top Competitors | Solution |
| Number | Questions | Solutions |
|---|---|---|
| 1 | Placements | Solution |
| Number | Questions | Solutions |
|---|---|---|
| 1 | Draw The Triangle 1 | Solution |
| 2 | Draw The Triangle 2 | Solution |