MySQL Archives - ITNotes

Beyond OFFSET: Why Cursor-Based Pagination is the Only Way to Scale APIs

July 21, 2026

Is your API slowing down as your database grows? Discover why OFFSET is a performance killer and how to implement O(1) cursor-based pagination for massive datasets.

Database

Mastering Database Replication Lag: Monitor, Diagnose, and Fix Sync Delays in PostgreSQL and MySQL

July 19, 2026

Database replication lag can silently corrupt your users' experience — orders appearing unpaid, inventory showing wrong counts. This guide covers how to monitor replication lag in PostgreSQL and MySQL, diagnose the root cause across network, disk, and query layers, and apply targeted fixes including parallel replication and WAL tuning.

Database

PlanetScale Serverless Database: Zero-Downtime Schema Migration with Branching

July 13, 2026

PlanetScale brings Git-style branching to MySQL, making schema migrations non-blocking and reviewable. This guide walks through the deploy request workflow, practical CLI commands, and real-world tips for zero-downtime database changes.

Database

MySQL Performance Schema: Diagnose Slow Queries with Internal Statistics Tables

July 13, 2026

MySQL Performance Schema exposes 80+ internal statistics tables that reveal slow queries, lock waits, and I/O bottlenecks — no external tools required. This guide covers the key tables, practical SQL queries, and a Python script to build a baseline monitoring system from six months of production experience.

Database

Beyond Schema Migrations: Mastering MySQL Document Store with X DevAPI

July 12, 2026

Transform MySQL into a powerful NoSQL database. Learn how to use the X DevAPI to manage JSON collections, perform schema-less CRUD, and join NoSQL data with SQL tables.

Database

ERD Design with dbdiagram.io: From Concept to Auto-Generated SQL

June 24, 2026

Jumping straight into SQL without a plan leads to messy schemas that are painful to refactor later. This guide walks through designing an ERD with dbdiagram.io using DBML syntax, then automatically exporting production-ready SQL — no boilerplate required.

Database

DBeaver Guide: Manage PostgreSQL, MySQL, and SQL Server from One Interface

June 24, 2026

Managing PostgreSQL, MySQL, and SQL Server from separate native tools is fine until you're debugging across all three at 2 AM. This guide covers how to set up DBeaver as a single unified interface for all your databases — including SSH tunnels, connection organization, cross-database queries, and data export between database types.

Database

SQLFluff on Linux: Automate SQL Linting and Code Standards in Your CI/CD Pipeline

June 15, 2026

SQLFluff is a SQL linter and auto-formatter for Linux that catches style inconsistencies, enforces keyword casing, and integrates cleanly into GitHub Actions and GitLab CI pipelines. This guide walks through installation, configuration for MySQL/PostgreSQL dialects, CI/CD setup, and practical tips for rolling it out to an existing codebase.

Database

Native MySQL High Availability: A Practical Guide to InnoDB Cluster and Router

June 4, 2026

Ditch the complex third-party HA tools. This guide shows you how to deploy a native MySQL InnoDB Cluster with MySQL Router for automated failover and zero data loss.

Database

SQL Joins in Production: How We Fixed Our 10-Second Query Problem

June 1, 2026

A production-focused guide to SQL Joins. Learn the differences between INNER, LEFT, and FULL OUTER joins, and discover how to optimize query performance using indexing and CTEs based on real-world experience.