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Coroot – The Next Level in Kubernetes Observability
To follow up on my previous Kubernetes articles: Installed in part one (see Using Percona Kubernetes Operators With K3s Part 1: Installation) and Have Percona Server for MySQL running (Using Percona...
View ArticleMySQL Integers: INT, BIGINT, and more
Gain a deeper understanding of the MySQL integer types by exploring the different options (INT, BIGINT, MEDIUMINT, etc) and how they are stored.Read the full story
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How to Generate Test Data for MySQL With Python
For testing purposes, especially if you’re working on a project that uses any database technology to store information, you may need data to try out your project. In that case, you have two options:...
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INTERSECT and EXCEPT commands in MySQL
MySQL now supports the INTERSECT and EXCEPT set operators. Set operators work on the results of multiple SELECT statements. In this post, we will see example queries using INTERSECT and EXCEPT commands...
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Set Theory in MySQL 8.0: UNION and Now INTERSECT and EXCEPT
Are you familiar with the UNION statement for your SQL queries? Most likely, you are. It has been supported for a long time. In case you are not familiar with UNION, don’t worry, I’m going to show you...
View ArticleBest MySQL GUI Clients for Linux in 2022
Linux has a reputation as an operating system for programmers. So, if you are a software developer who designs MySQL-based solutions, chances are high that you will do it on Linux. Thus, it would be...
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Raspberry on the Rocks: Build Percona Server for MySQL With MyRocks on Your...
Raspberry PI is a small single-board computer (SBCs) developed by the Raspberry Pi Foundation in association with Broadcom. This tiny computer is extremely popular and widely used in many areas. Thanks...
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ProxySQL support for MySQL caching_sha2_password
In our time, every day we use dozens if not hundreds of applications connecting to some kind of data repository. This simple step is normally executed over the network and given so, it is subject to...
View ArticleSeamless failover with Galera Load Balancer
Continuing on from Setting up Galera Load Balancer (GLB), wouldn’t it be nice to ensure that Galera Load Balancer (GLB) handles failover, seamlessly? Router:...
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OpenLampTech issue #51 – Substack Repost
This week’s OpenLampTech newsletter has a great mix of round-up posts for you across the PHP and MySQL backend web space. In just 1 more week, we are 1 year old! How nuts is that?!? Enjoy this week’s...
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Generating Slow Query Log with MySQL Shell
Recently, I wrote three articles on how to analyze queries and generate a slow query log for MySQL Database Service on OCI: https://lefred.be/content/analyzing-queries-in-mysql-database-service/...
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Large File Import from Oracle Cloud Object Storage into MySQL Database...
Large File Import from Oracle Cloud ObjectStorage into MySQL Database Service(MDS)using Data Integration Service – Part 2 In this tutorial, I will walk through about Importing .CSV file from Oracle...
View ArticleODA : Do You Know The MOVE Table In MySQL DB Repository
During a consulting on a customer, we faced the following issue when trying to delete a dbhome Message: DCS-10001:Internal error encountered: PRGO-2470 : Working copy “OraDB19000_home1” is involved in...
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MySQL: Using UNION, INTERSECT, & EXCEPT
MySQL 8.0.31 added INTERSECT and EXCEPT to augment the long-lived UNION operator. That is the good news. The bad news is that you have to be careful using the EXCEPT operator as there is a trick. Let’s...
View ArticleJournée MySQL Innovation et Cloud
Next week, November 16th, I will participate to the MySQL Innovation and Cloud Virtual Day in French. My colleagues will present what’s new in MySQL 8.0.31 and also summarize all the big news that was...
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ProxySQL Support for MySQL caching_sha2_password
Every day we use dozens if not hundreds of applications connecting to some kind of data repository. This simple step is normally executed over the network and, given so, it is subject to possible...
View ArticleUpgrading your Galera Cluster from MySQL 5.7 to MySQL 8.0
Recently we had a question on getting your Galera Cluster upgraded from MySQL 5.7 to MySQL 8.0. While we have plenty of extensive documentation on Upgrading Galera Cluster, this blog covers the Linux...
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pre-FOSDEM MySQL Days 2023
Hello dear MySQL Community ! As you may already know FOSDEM 2023 is again going to be held in-person. FOSDEM will take place February 4th and 5th 2023. We have also decided to put our pre-FOSDEM MySQL...
View ArticleIntersect and Except in MySQL 8.0
With the latest MySQL release (8.0.31), MySQL adds support for the SQL standard INTERSECT and EXCEPT table operators.
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