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lefred's blog: tribulations of a MariaDB Community Advocate
  • My Youtube Channel
  • MariaDB Community on Slack
  • Upcoming Talks
  • Recommended Books
  • Some talks and tutorials
  • MySQL Version Diff
  • Art work credits
lefred's blog: tribulations of a MariaDB Community Advocate
  • 8.3, Cloud, Devel, HeatWave, MDS, MySQL, OCI

Javascript support in MySQL: the UUID example

You may have noticed that MySQL now supports creating functions (and store procedures) in Javascript using GraalVM. This new functionality is only available in MySQL Enterprise and MySQL HeatWave. As a developer, you can also get free access to MySQL…

  • March 21, 2024
  • 1 Comment
  • 8.0, InnoDB, MySQL, MySQL 8.0

MySQL InnoDB’s Instant Schema Changes: What DBAs Should Know

In MySQL 8.0.12, we introduced a new algorithm for DDLs that won’t block the table when changing its definition. The first instant operation was adding a column at the end of a table, this was a contribution from Tencent Games.…

  • March 19, 2024
  • 2 Comments
  • Cloud, HeatWave, MDS, MySQL, MySQL Shell, OCI

MySQL Shell for VS Code – Bastion Host & Invalid fingerprint detected

If you use MySQL Shell for Visual Studio Code, using a bastion host is the easiest method to connect to a MySQL HeatWave DB Instance on OCI. If you already have a connection setup using a bastion to host, you…

  • February 25, 2024
  • InnoDB, MySQL

MySQL InnoDB: Primary Key always included in secondary indexes as the right-most columns… or not

Recently during the Swedish MySQL User Group (SMUG), I presented a session dedicated to MySQL InnoDB Primary Keys. I forgot to mention a detail that many people are not aware, but Jeremy Cole has pointed out. Primary Key always included…

  • February 15, 2024
  • 8 Comments
  • Cloud, Community Tool, Conference, HeatWave, Lakehouse, MDS, MySQL, MySQL Day, OCI

Unveiling the Highlights: A Look Back at MySQL Belgian Days 2024

Our MySQL Belgian Days were a complete success. With 120 participants, the room was packed throughout the 2 days from the first to the last session. A record for this event ! The audience was made up of customers (some…

  • February 14, 2024
  • 8.3, Group Replication, InnoDB Cluster, MySQL, Replication

MySQL 8.3: Purging data from your InnoDB Cluster

Maintaining a production dataset at a manageable size can present a considerable challenge during the administration of a MySQL InnoDB Cluster. Old Days Back in the day when we only had one main copy of our data (the source), and…

  • January 16, 2024
  • 1 Comment
  • Cloud, Conference, General, HeatWave, Lakehouse, MDS, MySQL, MySQL Day, OCI

MySQL Belgian Days 2024 – The agenda

The MySQL Belgian Days are sold-out, our event that will take place the 1st and 2nd February 2024 in Brussels seems to have already attracted a lot of interest. And this interest is justified, because here is the program for…

  • January 12, 2024
  • 8.0, 8.2, Cloud, HeatWave, MDS, MySQL, OCI, Terraform, wordpress

Deploying MySQL on OCI using OpenTofu

I could have set MySQL between parenthesis in the title as this article is more about how to use OpenTofu to deploy on OCI. I will explain how to install OpenTofu and how to use it to deploy on OCI.…

  • December 22, 2023
  • 2 Comments
  • 8.2, Cloud, Document Store, HeatWave, JSON, MDS, MySQL, OCI

JSON in MySQL HeatWave: why is data or my query not off-loaded to HeatWave Cluster ?

We recently saw that we can benefit from using JSON documents with MySQL HeatWave cluster in OCI (HeatWave accelerator for MySQL Database Service). However sometimes the data can’t be loaded to HeatWave Cluster or the query cannot use it. And…

  • December 19, 2023
  • 2 Comments
  • 8.2, Cloud, Document Store, HeatWave, JSON, MDS, MySQL, NoSQL, OCI

MySQL Document Store in OCI with MySQL HeatWave

Since the release of MySQL 8.0, the MySQL X Dev API has provided users with the convenient ability to utilize MySQL without the need to write a single line of SQL! MySQL X Dev API brings the support for CRUD…

  • December 16, 2023
  • 8.0, 8.2, Cloud, MDS, MySQL, MySQL Shell, OCI, Replication, Router, wordpress

WordPress in OCI with MySQL HeatWave Read Replicas and MySQL Router R/W Splitting

Some time ago, we saw how we could deploy WordPress on OCI using MySQL HeatWave Database Service with Read Replicas. We had to modify WordPress to use a specific plugin that configures the Read/Write Splitting on the application (WordPress): LudicrousDB.…

  • December 13, 2023
  • Cloud, HeatWave, Lakehouse, MDS, MySQL, OCI

MySQL data archiving: another use for HeatWave Lakehouse

The ability to store data on Object Storage and retrieve it dynamically when necessary is a notable advantage of Lakehouse when managing MySQL historical data we would like to archive. Let’s illustrate this with the following table: You can notice…

  • December 8, 2023
  • 2 Comments
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