📘 Database Internals – (2025–2026 Edition)

📚 Database Internals (2025–2026 Edition) is a structured, academic, and syllabus-based resource created for BS/CS, BS/IT, Software Engineering students, and aspiring data engineers. This app provides comprehensive notes, MCQs, and quizzes to support learning and practical understanding of modern database systems. With a clear layout and detailed coverage, it helps learners master storage engines, distributed systems, transactions, replication, partitioning, and performance optimization with confidence.

This edition covers fundamental to advanced topics including storage engines, data structures for storage, transaction processing, distributed systems fundamentals, replication, partitioning & sharding, consistency & consensus, distributed query execution, and storage system performance. Designed around a syllabus format, it provides a step-by-step learning path that ensures a strong foundation for both academic study and professional development.

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📂 Chapters & Topics

🔹 Chapter 1: Storage Engines
- Page Structure
- B-Trees
- Log-Structured Merge Trees (LSM Trees)
- Storage Engine Trade-offs

🔹 Chapter 2: Data Structures for Storage
- Indexes
- Hashing
- Bloom Filters
- Data Organization on Disk

🔹 Chapter 3: Transaction Processing
- ACID Properties
- Concurrency Control
- Locking and Latches
- MVCC (Multi-Version Concurrency Control)

🔹 Chapter 4: Distributed Systems Fundamentals
- Distributed Transactions
- Replication
- Consistency Models
- Partitioning
- Consensus Algorithms

🔹 Chapter 5: Distributed Transactions
- Two-Phase Commit
- Three-Phase Commit
- Global Ordering
- Fault Tolerance

🔹 Chapter 6: Data Replication
- Leader-Follower Replication
- Quorum Replication
- Conflict Resolution

🔹 Chapter 7: Partitioning and Sharding
- Partitioning Strategies
- Rebalancing
- Consistent Hashing
- Impact on Performance

🔹 Chapter 8: Consistency and Consensus
- CAP Theorem
- Linearizability
- Paxos
- Raft Consensus Algorithm

🔹 Chapter 9: Distributed Query Execution
- Query Planning
- Data Shipping
- Parallel Execution
- Fault Tolerance in Queries

🔹 Chapter 10: Storage System Performance
- Caching
- Compression
- Write Amplification
- Storage Hardware Considerations

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🌟 Why Choose this App?
- Covers the complete Database Internals syllabus in structured academic format.
- Includes MCQs and quizzes for thorough practice and self-assessment.
- Provides clear notes for quick revision and deep conceptual understanding.
- Supports projects, coursework, and practical learning with real-world relevance.
- Builds strong foundations in storage engines, distributed systems, and performance optimization.

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✍ This app is inspired by the authors:
Michael Stonebraker, Jim Gray, Pat Helland, Leslie Lamport, Andrew S. Tanenbaum, Alex Petrov

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📥 Download Now!
Get your Database Internals (2025–2026 Edition) today and start mastering storage engines, distributed systems, and high-performance databases with confidence!