Software engineer Davor Minchorov shares a fantastic developer interview with the OpenLampTech newsletter readers.

Code, content, and community for developers.

The LAMP stack and the PHP technologies and frameworks it runs.

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Disclaimer: The majority of examples in this post, are performed in a personal development/learning workstation environment and should not be considered production quality or ready. Your particular goals and needs may vary. Like …

Managing database servers involves different aspects, among which security is critical. We know that we should always grant the minimal required permissions to the different user accounts in the database, as having a user with high-level permission can lead to unexpected results, such as having an index drop affecting the system performance or even more […]

Advanced SQL queries | WooCommerce shortcodes | Open Source alternatives | Laravel in 2024 | PHP if/else spiral.

Code, content, and community for developers.

The LAMP stack and the PHP technologies and frameworks it runs.

Be sure you are subscribed to the OpenLampTech newsletter so you can receive all the great content each week!

Thank you for reading this post. Please share it with someone else who would enjoy it as well.

Disclaimer: The majority of examples in this post, are performed in a personal development/learning workstation environment and should not be considered production quality or ready. Your particular goals and needs may vary. Like always, just because you can do something …

The pt-query-digest is my go-to tool in order to perform slow query analysis, improve query performance and thus overall MySQL performance. In this blog post, I’m going to highlight the…

The post How to filter MySQL slow queries using pt-query-digest first appeared on Change Is Inevitable.

We’re happy to introduce Audit Log Filter — our newly upgraded audit plugin. Its functionality has been significantly improved in comparison to Audit Log and currently mirrors the functionality of the MySQL Enterprise Audit plugin. Starting with Percona Server for MySQL 8.0.34-26, the Audit Log Filter is available in a technical preview mode. You’re welcome […]

Long-time Drupal developer Ryan Szrama shares a fantastic developer interview with the OpenLampTech newsletter readers

Code, content, and community for developers.

The LAMP stack and the PHP technologies and frameworks it runs.

Ryan Szrama is very active in Drupal development, developing plugins and specific commerce-first software using Drupal.

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Disclaimer: The majority of examples in this post, are performed in a personal development/learning workstation environment and …

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. I will also mention what are the required changes be able to use my previous Terraform deployment files.

As an example, let’s use the modules to deploy WordPress with MySQL HeatWave Database Service: oci-wordpress-mds.

Installing OpenTofu

If like me you are using a RPM based Linux distro, you can find the necessary information to create the yum repository on OpenTofu’s website:

$ sudo su -
# cat >/etc/yum.repos.d/opentofu.repo <<EOF
[opentofu]
name=opentofu …

The efficiency of database queries in MySQL can make all the difference in the performance and responsiveness of applications. In this blog post, I’ll dig into MySQL query optimization and show how MySQL uses indexes in cases of queries using sorting and limiting. While sorting may seem simple, it’s important to understand how to do it efficiently and effectively to ensure your queries are optimized and use better indexing.

Since sorting your rows is not free, it can take a significant amount of resources and time to sort large data sets; thus, it’s important to do it cautiously. If you don’t need your rows in a certain order, don’t order them.

However, if you need to order your rows, doing it efficiently and effectively is essential to optimize your queries. You must understand how to use indexes to make sorting cheaper. 

Looking at this, can you say which is faster: LIMIT 1 or LIMIT 10? Presumably, fetching …

The InnoDB buffer pool acts as a powerhouse for MySQL, caching frequently accessed data and index pages in memory to accelerate query performance. In this blog post, we will go through the process of InnoDB buffer pool resizing online, covering why it is important to monitor its progress and how to monitor it.Importance of monitoring […]

In MySQL, you cannot do this: create table t (i int primary key, j int); insert into t values (1, 1); update t set j = (select max(j) from t) + 1; The UPDATE statement will raise an error as follows: SQL Error [1093] [HY000]: You can't specify target table 't' for update in FROM … Continue reading Workaround for MySQL’s “can’t specify target table for update in FROM clause” Error →