MySQL is an outstanding open source transactional database used by most web-based applications and is very good at handling OLTP workloads. However, modern business is very much dependent on analytical data. ClickHouse is a columnar database that handles analytical workloads quickly. I recommend you read our previous blog, Using ClickHouse as an Analytic Extension for MySQL, from Vadim to know more about this.

In this blog post, I will show you how to replicate MySQL data in real-time to ClickHouse. I am going to use the MaterializedMySQL engine for this purpose. The blog post contains the following topics.

• MaterializedMySQL Engine – Overview
• Prerequisites for the Replication
• Replication setup
• Replication testing
• Understanding ReplacingMergeTree
• What …

This tutorials walk through the process to monitor the MySQL Heatwave Service using MySQL Enterprise Monitor(MEM) , Below are steps you needed to follow. 

OpenLampTech has published another fantastic developer interview in the publication. Find out more below and thanks for reading.

The Newsletter for PHP and MySQL Developers

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Read this interview with Joel Clermont and more in the OpenLampTech publication.

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Schema changes are required to add new features or to fix bugs in an application. However, there is no standard procedure to make the changes in a quick and safe manner. If the changes are not made considering the necessary precautions, you may face unwanted outages on the database that can cause serious problems to your business. In this blog post, I will delve into the most important things to consider while preparing a schema change.

Table size and concurrency

When assessing a schema change, one of the most important things to consider is the table size and concurrency. For small tables, the ALTER operation usually takes a few milliseconds up to a few seconds. Here is where concurrency plays another important role: if the table has periods of low concurrency during the day and the application allows having it locked for a few seconds or minutes, …

As was already announced on Aug 15, 2023, you can find MySQL team at following conferences in September 2023: We are looking forward to talking to you at any of the show above!

The auto-increment feature, which generates unique values for primary key columns, is an integral part of the database’s design. With the release of MySQL 8, a notable enhancement was introduced to the auto-increment counter. Compared to MySQL 5.7, this enhancement ensures that the maximum auto-increment counter value persists between server restarts, providing enhanced consistency and reliability in data management. In this article, we will look into this enhancement, compare MySQL 5.7 with MySQL 8, and provide practical examples to demonstrate the differences.

Auto-increment in MySQL 5.7

In MySQL 5.7, the auto-increment counter works as follows: when a new row is inserted into a table with an auto-increment column, the counter increments by 1, and the generated value is used for the primary key of the inserted row. This counter value is stored in memory and is not persistent across server restarts. As a result, if the server …

Where can you find MySQL team in September 2023

With the short work week due to the US Labor Day holiday on last Monday, I barely got this week’s OpenLampTech newsletter out. But, here it is in all its glory. Thanks for reading.

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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.

In OpenLampTech issue #95, there is great content on:

• An OpenLampTech text-based developer interview
• WebAssembly and PHP
• Laravel Transactions …

MySQL 8.2.0 introduces a new authentication plugin: authentication_webauthn. The plugin allows usage of a FIDO U2F/FIDO2 compatible device to achieve Multi-factor Authentication OR Passwordless Authentication with MySQL server. This plugin supersedes existing authentication_fido plugin which is marked as deprecated in 8.2.0. authentication_webauthn supports both FIDO U2F and FIDO2 devices. FIDO2 devices have discoverable credentials support […]

In MySQL server 8.2.0, we have made certain changes to promote usage of secure and robust ciphers in MySQL server. If you are relying on the default cipher settings in MySQL server and client, you can stop here. These changes will not have any impact on your usecase. On the other hand, if you have […]