Database Systems coding problems
Master database design, SQL, normalization, indexing, and both relational and NoSQL database systems.
| # | Problem | Difficulty | Topic |
|---|---|---|---|
| 97 | SELECT Queries Practice | Beginner | SELECT |
| 98 | JOIN Types Mastery | Easy | JOINs |
| 99 | Aggregation & GROUP BY | Easy | Aggregation |
| 100 | ER Diagram Design: Library System | Medium | ER Diagrams |
| 101 | Normalization Practice | Medium | Normalization |
| 102 | Index Strategy Design | Hard | Indexing |
| 103 | MongoDB Aggregation Pipeline | Medium | CRUD Operations |