Data Storage
Databases, indexing, replication, sharding, and storage systems.
- 18.SQL vs NoSQL
- 19.ACID Transactions and Isolation Levels
- 20.Database Indexing
- 21.Storage Engines: B-Tree vs LSM-Tree
- 22.Inverted Index and Full-Text Search
- 23.Database Replication
- 24.Sharding and Partitioning
- 25.Consistent Hashing
- 26.Key-Value and Document Stores
- 27.Wide-Column, Graph, and Time-Series Stores
- 28.Object and Blob Storage
- 29.Data Modeling and Denormalization
