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Problematic Improved Offline Mode Error in MySQL 9

I am writing this quick post to share what I think is a problematic new behavior of Offline Mode in MySQL 9.  Basically, the new default behavior in MySQL 9 is to write the username of the user which set offline_mode to ON.  I think this behavior has not been considered from a security point of view because it leaks a root username in the error message presented to the users.

My

MySQL Shorts Episode 79 is Available

The latest episode of MySQL Shorts is now available.

MySQL Retrospective - The Early Years

As part of the Advent calendar of content for this year, we are going to take a stroll down memory lane into the history of MySQL. In this first post, we will highlight some of the major milestones of the early years.

MySQL NDB Cluster replication: Merge replication for active-active clusters

Learn about the merge replication topology used for building scalable, bi-directional, multi-primary replication deployments using MySQL NDB Cluster. This topology makes it possible to reliably scale out circular replication forming three, four, or more clusters all containing the same data.

Auto Adapting Configuration Parameters in MySQL

MySQL 8.4 changes the default values of built-in configurations when compared to MySQL 8.0. These changes are designed to auto adapt with the machine making the MySQL server production ready out of the box.

The Light MySQL Startup Optimization on EBS Volumes

In the last weeks / months, I have been working on understanding / improving MySQL startup with many tables.  I already wrote four posts on the subject, they are listed below.  In this post, I use the system analysis of the previous post to revisit the light optimization on EBS volumes.  With this analysis, I am able to determine why the previous tests did not show

Use MySQL Shell To Run JavaScript And Python Scripts From The Command Line

How to use MySQL Shell to run JavaScript and Python scripts to connect to a MySQL database and execute queries. In this example, I show you how to dump and load a database table with a JavaScript script.

MySQL 9.1 is out! Thank you for your contributions!

Within this blog post, we want to thanks all our contributors and list all the contributions that have been processed and released with MySQL 9.1

MySQL 9.1 is out! Thank you for your contributions!

Last month we released MySQL 9.1, the latest Innovation Release. Of course, we released bug fixes for 8.0 and 8.4 LTS but in this post, I focus on the newest release. Within these releases, we included patches and code received by our amazing Community. Here is the list of contributions we processed and included in […]

Enhancing Developer Agility and Performance in Financial Services with MySQL Enterprise Edition

This blog outlines how MySQL Enterprise Edition enhances developer agility and performance in financial services.

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