At Percona, we have always prioritized database performance as a critical factor in selecting database technologies. Recently, we have observed a concerning trend in the community edition of MySQL, where performance appears to be declining across major releases, specifically MySQL versions 5.7, 8.0, and 8.4. If you’re interested in learning more about these observations, we […]

Stewardship of a community is easy for new and emerging technology. After 29 years, MySQL has become one of the most-used and trusted open-source databases by millions of users worldwide.

MySQL Shell offer many features to make life easier for DBAs and developers. In this post we discuss how we can add custom functionality to MySQL Shell using startup scripts.

This post will explain how you can start and stop your MySQL Heatwave and compute instances from the command line using Oracle's Command Line Interface tool.

We are excited to announce that Vitess now supports recursive Common Table Expressions (CTEs), marking another significant step in our journey to fully align with MySQL’s capabilities. Recursive CTEs, often a critical feature for complex query handling, allow for the execution of recursive queries within a single CTE. This addition brings more flexibility and power to developers using Vitess, especially those working with distributed databases. One of the key challenges in implementing recursive CTEs within a sharded environment is managing the distribution of data across multiple shards.

A work-around for partitioning MySQL tables with foreign keys is described in this article.

OpenTelemetry Metrics provided by MySQL Telemetry provides insight into the performance, behavior, and health of your MySQL database - exposing up to 400 unique MySQL internal metrics

This is a quick guide on how to use the Oracle Cloud Shell on the Oracle Cloud Infrastructure console to access MySQL HeatWave via MySQL Shell.

Percona Operator for MySQL, based on Percona XtraDB Cluster (PXC), provides configuration to expose the ProxySQL, HAProxy, and the PXC instances themselves so that you can use Percona Toolkit to connect to MySQL from these endpoints externally. However, you can also create Kubernetes pods to run Percona Toolkit operations there instead if you do not […]

This article explains the SIGNED and UNSIGNED integer data types in MySQL and provides examples to illustrate when and how to use these integer data types effectively.

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