Get ready for another jam-packed full OpenLampTech newsletter issue this week. If you are a PHP/MySQL developer, this is the newsletter for you. Let’s see what this latest issue has in store…

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.

Just like always, we have some great curated and original content in this week’s issue:

• MySQL NULLs in the ORDER BY clause
• PHP complete login and authentication
• How to use PHP and MySQL
• MySQL Events
• Missing MySQL extension for WordPress
• Free MySQL ebook
…

Is MySQL performance about “more” or “less”? From the title, you can tell that I’m going to argue that it’s about “less”. Here’s the punchline: zero is maximum performance. Let’s see where this philosophical blog post leads us.

Is MySQL performance about “more” or “less”? From the title, you can tell that I’m going to argue that it’s about “less”. Here’s the punchline: zero is maximum performance. Let’s see where this philosophical blog post leads us.

Is MySQL performance about “more” or “less”? From the title, you can tell that I’m going to argue that it’s about “less”. Here’s the punchline: zero is maximum performance. Let’s see where this philosophical blog post leads us.

If you are like me, you enjoy your newsletter reading time. If you are a PHP/MySQL developer or a blogging developer yourself, then this post is definitely for you. Continue reading for additional details…

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.

Image by Gerd Altmann from  …

Oracle released MySQL 8.0.28 on January 18th with little fanfare, as part of their four times a year release cycle.  So what is included in the new release? Over the past few years, there have been some cool new features included in these ‘dot’ releases that some in the community say would have been better off being labeled as a major release. But what is in .28? Below are the more interesting changes in the database server and the shell, as there was not a whole lot changed in the other products such as router or MEM… I put my asides in italics and my views probably do not reflect the views of anyone else.

And remember, 8.0.29 is due in April.

The TL;DR

The TL;DR synopsis is that a lot of excellent work went into MySQL Server & shell 8.0.28 but the pressing question is do you really need to install it right away?  On the scale from ‘you probably should wait to upgrade’ to ‘update ASAP’ it …

Joining individual pieces of text data into a singular string is nothing new in the programming world and all languages support some form of concatenation. In MySQL, you can use the CONCAT() function. Let’s see how…

Image by Alejandro González from Pixabay 

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 …

Do you know what time it is? The time for your weekly PHP/MySQL content is here! Enjoy OpenLampTech issue #17. As always there is plenty to read in this latest issue…

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.

Image by Clker-Free-Vector-Images from  …

KMIP (Key Management Interoperability Protocol) is an open standard developed by OASIS (Organization for Advancement of Structured Information Standards) for the encryption of stored data and cryptographic key management.

Percona Server for MySQL 8.0.27 and Percona XtraBackup 8.0.27 now include a KMIP keyring plugin to enable the exchange of cryptographic keys between a key management server and the database for encryption purposes. The procedure to use them with HashiCorp Vault Enterprise is described below.

Install Hashicorp Vault Enterprise

We will first install Hashicorp Vault Enterprise on Ubuntu Linux “Bionic” and then enable …

Being mindful of NULL values is a good practice. NULLs can slip up on you and give you a heck of a time (especially in calculations) if you aren’t careful. In this post, we will see examples of NULLtransformation with the MySQL COALESCE() function.

Do you want to learn how to use MySQL but are not sure of where to start? I am creating premium MySQL Beginners content to help anyone understand the basics of using MySQL. Get a short, actionable email tip each week and more information on the premium articles and content as they are released.

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