Database Optimization Archives

SQLite Performance Optimization: Production Guide to WAL Mode, PRAGMA Tuning, and Concurrency

October 16, 2026

Learn how to optimize SQLite for real-world production workloads by enabling WAL mode, fine-tuning memory PRAGMA settings, and eliminating concurrent database lock errors.

Scaling PostgreSQL Vector Search: HNSW Tuning and Table Partitioning for Production RAG

October 11, 2026

Scaling enterprise RAG with PostgreSQL and pgvector demands more than basic indexes. Discover how combining HNSW index tuning with declarative partitioning dropped p95 query latency from 2.8s to 14ms across 8 million vectors.

Database

Advanced Vietnamese Search in PostgreSQL and MySQL: Collation, Unaccent, and Index Optimization

September 14, 2026

Vietnamese diacritics break naive database search queries. Here's how to configure Collation in MySQL and the Unaccent extension in PostgreSQL — plus functional and GIN indexes — so searches work correctly without a performance hit.

Database

PostgreSQL Performance: Speed Up Queries with Covering Indexes

September 10, 2026

Boost PostgreSQL performance by eliminating heap access. Learn how to use Covering Indexes, the INCLUDE clause, and the Visibility Map to reduce I/O.

Database

Mastering the MySQL Slow Query Log: Stop Guessing and Start Fixing Production Bottlenecks

August 21, 2026

Is your MySQL database dragging? Learn how to use the Slow Query Log to identify hidden performance bottlenecks, configure logging for production, and use tools like pt-query-digest to speed up your app.

Database

PostgreSQL Indexing: When B-Tree Isn’t Enough

August 2, 2026

PostgreSQL indexing goes far beyond B-Tree. Discover how GIN, GiST, and BRIN can slash query times and save gigabytes of disk space on large-scale databases.

Programming

Fixing GraphQL’s N+1 Problem: Using DataLoader for High-Performance APIs

August 2, 2026

Eradicate GraphQL N+1 performance issues. This guide shows you how to use DataLoader to batch database requests and implement request-level caching.

Database

PostgreSQL Indexing: Stop Indexing Everything and Start Being Precise

July 28, 2026

Stop wasting disk space with bloated indexes. Learn how Partial and Functional indexes in PostgreSQL can reduce index size by 90% and make your queries nearly instantaneous.

Database

MySQL Generated Columns: Speed Up JSON Queries and Clean Up Your Schema

July 27, 2026

Learn how to use MySQL Virtual and Stored Generated Columns to fix slow JSON queries and automate database logic with real-world performance metrics.

Database

Sub-Second Analytics at Scale: A Hands-on Guide to Apache Druid

July 19, 2026

Build a high-performance real-time analytics system with Apache Druid. This guide covers everything from local setup and Kafka streaming to advanced OLAP tuning for sub-second queries.