- Create Simple In Memory Database (Singleton) ✓
- Test CRUD on model ✓
- [] -> {} ✓
- Add basic validations to model ✓
- Read Explain Analyzes ✓
- Read Limit and Offsets ✓
- Read Complexity of algorithms ✓
- Make Pagination for models ✓
- Make Indexes for models ✓
- Make Search with indexes for models ✓
- Make CRUD on Active Model with this database ✓
- Make Relationships logic in database (has_many && belongs_to) ✓
- Finally, Let's Refactor this shit! ✓
- Change Hash in DbManager to String, which stores raw data ✓
- Make Database dump to file every 5 minutes ✓
- Database can be loaded from dump ✓
- Fix Index ✓