We’ll show you How to Install LAMP on Ubuntu 16.04. LAMP (Linux, Apache, MySQL, PHP) is a combination of open ...

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In May, I presented two talks – one called “Are you getting the best out of your indexes?” and “Optimizing Queries Using EXPLAIN”. I now have slides and video for both of them.

The first talk about indexing should probably be titled “Why is MySQL doing this?!!?!!?” It gives insight into why the MySQL optimizer chooses indexes that you do not expect; especially when it does not use an index you expect it to.

The talk has something for everyone – for beginners it explains B-trees and how they work, and for the more seasoned DBA it explains concepts like average value group size, and how the optimizer uses those concepts applied to metadata to make decisions.

Slides are at http://technocation.org/files/doc/2017_05_MySQLindexes.pdf.
Click the slide image below to go to the video at …

MySQL is an open source relational database managed system (RDBMS) that enables users and applications to store, organize, and retrieve ...

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So glad to have had a successful Percona Live last week. Continuent were Diamond Sponsors and now that we are back into a company and not part of VMware we have a little more freedom to get back into the MySQL community.

I had two primary sessions, both on the replicator/ But one was looking specifically at the replicator and how we get data into Big Data targets, the other on general problems of replicating between heterogeneous sources. After the first of those, David from Percona interviewed me to understand a bit more about what I was talking about

I was also on the keynote panel where we discussed a variety of different …

phpMyAdmin is the most popular and most widely used web-based database management tools. It a free and open source PHP application, that allows the users to manage single or multiple SQL database servers, locally or on a remote server using a web browser with easy to use graphic user interface. Today, we are going to […]

Welcome to another post in the series of Percona Live featured session blogs! In these blogs, we’ll highlight some of the session speakers that will be at this year’s Percona Live conference. We’ll also discuss how these sessions can help you improve your database environment. Make sure to read to the end to get a special Percona Live 2017 registration bonus!

In this Percona Live featured session, we’ll meet Casper Kejlberg-Rasmussen, Software Developer at Uber. His session is Placing Databases @ Uber. Uber has many thousands of MySQL databases running inside of Docker containers on thousands …

We’ll show you, how to secure LEMP stack. LEMP, it stands for Linux, (EngineX) NGINX, MariaDB (or MySQL) and PHP. Due to its flexibility and simplicity, NGINX slowly takes over the Internet. In this tutorial, we will attempt, through examples of bad and good practices, to go through the steps of properly securing your Linux web server. […]

We’ll show you, how to set up MySQL Cluster on Ubuntu. The MySQL NDB Cluster integrates the standard MySQL server with an in-memory clustered storage engine called NDB (Network DataBase). We will use a total of 4 virtual servers, one for the management, one SQL node and two data nodes: 172.16.1.1 – management VPS 172.16.1.2 […]

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The Madrid MySQL Users Group has its next meeting on Tuesday, 22nd November 2016.  Giuseppe Maxia will be giving a presentation MySQL document store: SQL and NoSQL united and I’ll be providing a brief summary of the new MySQL 8.0 and MariaDB 10.2 beta versions which were announced recently. There will also be an opportunity to … Continue reading MMUG16: MySQL document store: SQL and NoSQL united

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