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 — SQL Cheat Sheet

A quick-reference cheat sheet of SQL syntax across DDL, DML, joins, aggregation, and window functions.

10 — MySQL EXPLAIN Cheat Sheet

A quick-reference cheat sheet for reading MySQL EXPLAIN output.

11 — Top 200 MAANG DBMS Interview Questions

A running list of the top 200 DBMS interview questions asked at MAANG-tier companies.

13 — Further Reading

A curated list of papers, books, and blogs for going deeper on database internals.