Planet MySQL HA Blog

The Planet MySQL HA Blog aggregates content from sources that cover topics related to high availability (HA) for MySQL databases.

MySQL Basics: Table Manners – Setting up Your First Schema and Table

Take your first hands-on steps in MySQL! This post teaches you how to create schemas and tables using relatable library analogies, beginner-friendly SQL examples, and tips to avoid common pitfalls. Perfect for newcomers, it’s your foundation for all future data adventures.

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Why Databases in Kubernetes Need Operators

| Continuent

Kubernetes has become the de facto platform for deploying applications at scale. It provides a clean way to orchestrate containers, scale workloads, and ensure applications stay healthy. For years, the primary focus has been on stateless services — web frontends, APIs, background workers.

But the tide is shifting. More organizations now want to bring their databases into Kubernetes. The promise sounds irresistible: make databases as portable, elastic, and integrated into CI/CD pipelines as other workloads. In reality, though, databases introduce challenges that Kubernetes…

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Monitoring MySQL HeatWave on AWS: From Console to CloudWatch

MySQL HeatWave on AWS extends its monitoring capabilities by integrating with Amazon CloudWatch, allowing you to view many additional metrics and track its history over time.

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MySQL Basics: Getting TYPE-cast – Choosing the Right Data Type for the Job

Demystify MySQL data types with this lighthearted guide for beginners! Learn how choosing the right type for each column—numbers, text, or dates—keeps your database organized, efficient, and easy to use. Packed with simple analogies, practical tips, and helpful examples, this post will help you master the essentials of structuring your tables in MySQL.

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Introducing Backup Validation and Backup Preparation in MySQL HeatWave

Introducing Backup Validation and Backup Preparation in MySQL HeatWave

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Preventing Read-Write Conflicts: Lockless Concurrency in MySQL JSON Duality Views

An overview of lockless optimistic concurrency control feature introduced for MySQL JSON Duality Views in version 9.4.

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Hands-on with JSON Duality Views in MySQL: From Creation to Day-to-Day Use

An overview of DDL support for JSON Relational Duality Views introduced in version 9.4.

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Manipulating Data in MySQL JSON Duality Views: Deep Dive into DML Operations

An overview of DML support for JSON Relational Duality Views introduced in version 9.4.

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MySQL Basics: Into the Shell—Cracking Open Your Database Journey

This post guides newcomers through accessing and exploring their databases using MySQL Shell. Clear instructions, friendly guidance, and practical tips ensure a confident start for any data explorer eager to interact with tables and data in real time.

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Audit Log Filter Component

| Percona

The audit log filter component in MySQL 8.4 provides administrators with a powerful mechanism for auditing database activity at a fine-grained level. While it offers significant flexibility—such as selectively logging events based on users, hosts, or event types—it can also be challenging to understand and configure correctly.

In this article, we will examine how the audit log filter component works, walk through its core concepts, and share practical tips for configuring and managing audit filters effectively. Our goal is to help you leverage this feature to improve observability,…

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