database Archives - Page 4 of 5

ClickHouse Guide: Moving from Row-Store Bottlenecks to Millisecond Analytics

April 19, 2026

Ditch slow SQL aggregations. This hands-on guide walks you through installing ClickHouse on Ubuntu and Docker, with tips on memory tuning and the powerful MergeTree engine.

Database

Recursive CTE in SQL: Handling Tree and Hierarchy Data in PostgreSQL and MySQL

April 18, 2026

Recursive CTEs let you query hierarchical data — org charts, category trees, comment threads — in a single SQL statement, without N+1 queries. This guide covers the pattern in PostgreSQL and MySQL 8.0+ with practical examples and performance tips.

Database

PostgreSQL High Availability on Kubernetes: A Hands-On Guide to CloudNativePG

April 17, 2026

Stop managing database failures manually. Discover how to deploy a self-healing, production-grade PostgreSQL cluster on Kubernetes with automated failover and S3 backups.

Database

PostgreSQL as a Vector Database: A No-Nonsense Guide to pgvector

April 12, 2026

Don't add another database to your stack. Learn how to use the pgvector extension to turn PostgreSQL into a powerful vector store for AI embeddings and similarity search.

Database

The Practical Guide to Database Connectivity: Python, Node.js, and PHP

April 11, 2026

A practical, no-nonsense guide to connecting Python, Node.js, and PHP to MySQL and PostgreSQL. Learn about drivers, secure environment variables, and how to stop SQL injection.

Database

Managing Database Transactions in SQL: Ensuring Data Consistency and Integrity

April 8, 2026

Database transactions are the mechanism that keeps your data consistent when multiple SQL statements need to succeed or fail together. This guide covers ACID properties, COMMIT/ROLLBACK, SAVEPOINTs, isolation levels, and practical patterns to avoid data corruption in production.

Database

OLAP vs OLTP: Why Your Analytical Queries are Killing Production

April 6, 2026

Is a single query crashing your app? Learn the difference between OLTP and OLAP, why row storage fails at scale, and how to build a stable data architecture.

Database

Stop Guessing, Start Measuring: Stress Testing MySQL and PostgreSQL with sysbench

April 4, 2026

Stop guessing your database capacity. Learn how to use sysbench to run professional stress tests on MySQL and PostgreSQL, and how to interpret TPS and 95th percentile latency.

Programming

Database Basics: SQL vs NoSQL – Choosing the Right Tool for Production Stability

March 22, 2026

Choosing the right database is crucial for any application's stability and performance. This guide explores the core differences between SQL and NoSQL databases, their optimal use cases, and key considerations for setup, configuration, and monitoring in a production environment.

Database

MongoDB: Getting Started with Document Databases

March 16, 2026

Explore MongoDB, the popular NoSQL document database. This guide covers installation on Linux and macOS, essential configuration, and basic data operations. Start building with flexible data storage today.