Getting started with authentication_oci There is a new means of connecting seamlessly to a MySQL Database Service instance in the Oracle Cloud Infrastructure. It is a method that does not require passwords, and can utilize the public key found in a OCI user’s account profile, without anyone needing to access that profile directly . It derives its access… Read More »

Watch this quick in-depth video short and learn how to find all the calendar days for a specific month using built-in MySQL date functions and recursive Common Table Expressions (CTEs). This is a repost of a free article over on my Kofi page as part of the “MySQL Learning Tier” membership…

The Newsletter for PHP and MySQL Developers

Receive a copy of my ebook, “10 MySQL Tips For Everyone”, absolutely free when you subscribe to the OpenLampTech newsletter.

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The MySQL team is excited to announce new AMD and Intel shapes in the MySQL HeatWave Database Service.  The AMD E4 shapes are based on the EPYC 7J13 processor, with a base clock frequency of 2.55 GHz and a dynamic frequency up to 3.5 GHz. New processor, better performance, and the same price as E3. […]

New AMD E4 and Intel X9 shapes in the MySQL HeatWave Database Service.

The Galera Cluster Enterprise Edition

Codership is pleased to announce the Galera Cluster Enterprise Edition.

Galera Cluster Enterprise Edition consists of an enhanced Galera Cluster server, Galera Manager and Galera Load Balancer.

The enhanced Galera Cluster Server includes

1) A new Online Schema Upgrade method called Non Blocking Operations (NBO), adds more high availability to your cluster while performing schema changes.

• • Schema changes made on all cluster nodes in the same total order sequence, with much more efficient locking compared to the Total Order Isolation (TOI) method.
  • SET GLOBAL wsrep_OSU_method='NBO'

…

Your one-stop source for excellent PHP/MySQL technical content is here again this week for your reading pleasure. Enjoy this selection of articles I read and learned something from this week. Thank you for being here!

The Newsletter for PHP and MySQL Developers

Receive a copy of my ebook, “10 MySQL Tips For Everyone”, absolutely free when you subscribe to the OpenLampTech newsletter.

OpenLampTech issue #26 has great articles covering:

• PHP Laravel try/catch
• WordPress block patterns
• How to backup and restore a MySQL database
• PHP redirection
• And, much much …

Almost a Ripley’s Believe It or Not. An prior data science student told me that his new IT department setup a Windows component that let him connect his Excel Spreadsheets to their production MySQL database without a password. Intrigued, I asked if it was a MySQL Connector/ODBC Data Source Configuration, or DSN (Data Source Name)?

He wasn’t sure, so I asked him to connect to PowerShell and run the following command:

Get-Item -Path Registry::HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\ODBC.INI\MySQL

It returned something like this (substituting output from one of my test systems):

    Hive: HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\ODBC.INI


Name                           Property
----                           --------
MySQL                          Driver      : C:\Program Files\MySQL\Connector ODBC 8.0\myodbc8w.dll
                               DESCRIPTION : MySQL ODBC Connector
                               SERVER      : …

In a previous post, I explained how you can collect and plot metrics using MySQL Shell.

This is a new series of article where I will explain how to read and understand some of the generated graphs.

Understanding your workload and seeing the evolution of it over time can help anticipating problems and work on solutions before the breakdown.

Let’s start the series with a concept that is not always well understood or at least not always considered at its true value: MySQL Checkpoint Age.

example of checkpoint age graphInnoDB Checkpointing

Before analyzing the graph, we need to understand what is MySQL InnoDB Checkpointing.

Each change to a data page in the InnoDB Buffer Pool are also written into the Write Ahead Logs.

In the literature they are sometimes called Transaction …

Distributing workloads over machines has long been a complicated issue where different teams, like sysadmins, DBAs, application developers, etc., stepped on each other’s feet. In recent times however Cloud Native Architectures and Kubernetes became a standard across multiple industries. Kubernetes is a standardized environment for managing workloads across different machines, which is supported both for […]

The new MySQL Operator for Kubernetes brings management of MySQL InnoDB Cluster to Kubernetes.