Most database performance issues don’t start with complex queries or heavy traffic—they begin at the foundation: data type selection. One seemingly small decision—CHAR vs. VARCHAR—can dictate whether your database remains fast and efficient or bloated and sluggish as it scales.  It’s a mistake even experienced developers make, and it’s easy to see why. At a […]

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Need MySQL database hosting? Learn how to host a MySQL database on cloud, VPS, or local servers. Compare costs, features, and providers.

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Learn how to use ENUM in MySQL to store predefined values efficiently. Find syntax, examples, and best practices for the ENUM data type.

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The TIMESTAMPDIFF() function in MySQL calculates differences between two points in time. This article explores TIMESTAMPDIFF(), covering its syntax, everyday use cases, and best practices for real-world applications.

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MySQL HeatWave integrates GenAI capabilities into MySQL on OCI. We have demonstrated how HeatWave GenAI can leverage RAG’s capability to utilize ingested documents (unstructured data) in LakeHouse and generate responses to specific questions or chats. See: The common theme here is the use of data stored in Object Storage (LakeHouse). I previously discussed how to […]

When performing backups, reducing the amount of time your server is locked can significantly improve performance and minimize disruptions. Percona XtraBackup 8.4 Pro introduces improvements in how DDL (Data Definition Language) locks (aka Backup Locks) are managed, allowing for reduced locking during backups. In this post, we’ll explore the impact of these enhancements. TL;DR (Summary) […]

In the previous post, we saw how to deploy MySQL HeatWave on Amazon. Multicloud refers to the coordinated use of cloud services from multiple providers. In addition to our previous post, where we deployed MySQL HeatWave on Amazon, we will explore how to connect with another cloud service. Oracle has partnered with Microsoft to offer […]

I just submitted a MySQL Contribution and I would like to gather feedback about it.  Depending on the received feedback, I might submit an updated contribution.  The contribution is Counters for Slow InnoDB Sync Reads, and its goal is to make MySQL easier to operate on “complex” IO subsystems (like network drives in the cloud).

The bug report / feature request Bug #117740 :

In this blog, we will look at the differences between LTS (Long Term Stable) versions of Percona Server for MySQL. Released in April 2019, MySQL 8.0 represented a major change from the previous version, 5.7, introducing significant changes to the data dictionary and enabling many features and enhancements. It also provided no direct downgrade path, […]

Percona is excited to announce the community release of our MySQL 5.7 End-of-Life (EOL) source code for both Percona Server for MySQL (PS) version 5.7.44-52 and Percona XtraDB Cluster (PXC) version 5.7.44-31.65.5. This release is an accumulation of several customer-only releases we’ve done as part of our post-EOL support for MySQL 5.7, and we’re happy […]