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

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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…

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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 …

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.

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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.

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When Index Condition Pushdown is used, you cannot trust rows examined as reported by the slow query log (nor in some Performance Schema tables) and you cannot trust the global status Innodb_rows_read (nor the InnoDB Metrics dml_reads).  These can lead to an incorrect query complexity analysis, to a mistaken estimation of the total load of a MySQL server, and to a lot of wasted time.&

Honestly, if no one ever read the OpenLampTech newsletter, that’s fine because I always do! Hey everyone, here is your dose of PHP/MySQL content to help you learn, grow, and maintain your sanity for the week. Enjoy!

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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 …

When using cloud native application architectures, Functions have an important role for the business logic without managing any infrastructure. Functions is a serverless platform powered by the Fn Project open source engine.

These Functions are mostly used to create and run different tasks. They can be executed using Fn Project CLI, OCI CLI or a HTTP request.

HTTP requests are useful to invoke Functions from a different service. Usually use to schedule the execution of the function according to a time schedule. Currently, Oracle Cloud Infrastructure does not provide a native mechanism to create time based schedules to execute some jobs like invoking a Function directly …