Solution to SQL problems on Hacker Rank
| Difficulty Level | Problem | Max. Score | Solution | 
|---|---|---|---|
| Hard | Interviews | 50 | Solution | 
| Hard | 15 Days of Learning SQL | 50 | Solution | 
| Medium | The Report | 20 | Solution | 
| Medium | Occupations | 30 | Solution | 
| Medium | New Companies | 30 | Solution | 
| Medium | Binary Tree Nodes | 30 | Solution | 
| Solution | |||
| Medium | The PADS | 30 | Solution | 
| Medium | Print Prime Numbers | 40 | Solution | 
| Medium | Placements | 40 | Solution | 
| Medium | Symmetric Pairs | 40 | Solution | 
| Easy | Revising the Select Query I | 10 | Solution | 
| Easy | Revising the Select Query II | 10 | Solution | 
| Easy | Select By ID | 10 | Solution | 
| Easy | Japanese Cities' Attributes | 10 | Solution | 
| Easy | Draw The Triangle 1 | 25 | Solution | 
| Easy | Draw The Triangle 2 | 25 | Solution |