Solutions of SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL.
| Number | Challenges | Solutions |
|---|---|---|
| 1 | Revising the Select Query I | SQL |
| 2 | Select By ID | SQL |
| 3 | Japanese Cities' Attributes | SQL |
| 4 | Japanese Cities' Names | SQL |
| 5 | Weather Observation Station 1 | SQL |
| 6 | Weather Observation Station 3 | SQL |
| 7 | Weather Observation Station 4 | SQL |
| 8 | Weather Observation Station 5 | SQL |