Database Management Systems

A book-shaped table of contents for DBMS: relational foundations through SQL mastery, storage internals, transactions, distributed databases, NoSQL, and MAANG interview prep — cross-linking existing system-design/patterns notes instead of duplicating them.

1 — Distributed Databases

Covers data fragmentation, replication, distributed query processing, and distributed transactions.

3 — Consensus Basics

Introduces Paxos and Raft at a high level as the consensus protocols distributed databases build on.

Database Management Systems

A book-shaped table of contents for DBMS: relational foundations through SQL mastery, storage internals, transactions, distributed databases, NoSQL, and MAANG interview prep — cross-linking existing system-design/patterns notes instead of duplicating them.

1 — Why Databases Exist

Traces the shift from file-based storage to DBMS, the problems that shift solved, and introduces OLTP vs OLAP and the CAP perspective.