Posted inDatabase
Database Schema Design: Don’t Let Technical Debt Sink Your System
Learn how to design standard database schemas from 1NF to 3NF, the secrets of applying Denormalization to boost performance, and pitfalls to avoid.
Posted inUbuntu
Installing PostgreSQL on Ubuntu 22.04: From Zero to Production Deployment
Learn how to professionally install and configure PostgreSQL on Ubuntu 22.04. A guide to creating users, securing remote connections, and managing disk space effectively.
Posted inDatabase
Migrating Data from MySQL to PostgreSQL: Comparing Methods and Practical Guide
A guide comparing 3 methods for migrating data from MySQL to PostgreSQL: pgloader, manual mysqldump conversion, and Python ETL. Analyzes the pros and cons of each approach with practical command examples and a post-migration verification checklist.
Posted inDatabase
Optimizing Database Performance for High-Traffic Websites: Practical Experience from ITfromzero
For websites to handle immense traffic, database optimization is crucial. This article shares practical experience on strategies from design, query optimization, caching, to monitoring to keep your database robust and stable.
Posted inDatabase
How to Install and Configure PostgreSQL Streaming Replication: Real-time Data Synchronization between Primary and Standby
Learn how to set up PostgreSQL Streaming Replication for High Availability and Disaster Recovery. A step-by-step guide to configuration and data synchronization between Primary and Standby.
Posted inDocker
Docker Volumes: Persistent Data Storage That Survives Container Restarts
Lost an entire database at 2 AM because I forgot to use Docker volumes — here's the hard-won lesson and a guide to configuring volumes correctly for production, including backup and monitoring.
Posted inDatabase
Optimizing PostgreSQL Queries with EXPLAIN ANALYZE: Analyzing and Improving Query Performance
Learn how to use EXPLAIN ANALYZE in PostgreSQL to read execution plans, analyze slow queries, and optimize performance with the right indexes. This guide goes from a 5-minute quick start to advanced techniques like covering indexes, composite indexes, and auto_explain.
Posted inDatabase
PostgreSQL Backup Done Right: Strategy, Automation, and Real-World Restore Testing
PostgreSQL backup isn't just about running pg_dump and walking away — the more critical part is regular restore testing and monitoring backup file integrity. This post shares a battle-tested workflow with automation scripts, a comparison of pg_dump vs pg_basebackup, and a complete checklist to make sure your backups actually work when it counts.
Posted inDatabase
SQL vs NoSQL: When to Choose Each for Your Project
SQL and NoSQL aren't competitors — each solves a different problem. This article breaks down when to choose SQL, when to use NoSQL, and how to combine both in real-world systems.
Posted inDatabase
Optimizing PostgreSQL Performance with PgBouncer: Connection Pooling in Production
A guide to installing and configuring PgBouncer to address connection overhead in PostgreSQL. Real-world experience after 6 months in production: server connections reduced from 180 to 25, API response time improved from 800ms to under 300ms.