Query optimization, indexing strategies, and configuration tips for faster databases.
PostgreSQL is powerful out of the box, but unlocking its full potential requires understanding query plans, indexing strategies, and configuration tuning.
EXPLAIN ANALYZE is your best friend. Learn to read sequential scans vs. index scans, understand join algorithms, and identify bottlenecks.
Learn what caching is, how it works, and different types of caching like browser, server, database, and CDN caching. Simple explanation with examples
What is a Load Balancer? Types, Algorithms & System Design Guide (2026)
Redundancy vs Replication in System Design: Key Differences Explained (2026)
Scaling is a core concept in system design that helps applications handle growing traffic efficiently. This guide explains the difference between horizontal scaling and vertical scaling, along with real-world examples, advantages, and when to use each approach.
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