Database Integration Blog

Expert guides, tutorials, and insights on database integration, migration, and optimization

Featured Articles

Migration
Zero-Downtime Database Migration: A Step-by-Step Guide

Migrating from MySQL to PostgreSQL without taking your application offline. We cover dual-write patterns, shadow reads, data validation checksums, and the cutover strategy that keeps your SLA intact throughout the entire migration window.

April 2026 · 12 min read

Performance
Query Optimization: From 30 Seconds to 30 Milliseconds

Real case study of a SaaS application with slow dashboard queries. We walk through EXPLAIN analysis, composite index design, query rewriting, materialized views, and connection pooling adjustments that delivered a 1000x speed improvement.

March 2026 · 15 min read

Architecture
Building Real-Time ETL Pipelines with Change Data Capture

How to replace batch ETL jobs with CDC-based streaming pipelines using Debezium and Kafka Connect. We cover setup, schema evolution handling, exactly-once delivery guarantees, and monitoring strategies for production CDC deployments.

February 2026 · 18 min read