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Getting Started with MariaDB
Getting Started with MariaDB

Getting Started with MariaDB: Explore the powerful features of MariaDB with practical examples

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Getting Started with MariaDB

Chapter 2. Configuring MariaDB

MariaDB is installed with a generic configuration that is suitable for general use. This is perfect for giving MariaDB a try but might not be suitable for a production database application under a heavy load. There are thousands of ways to tweak the settings to get MariaDB to perform just the way we need it to. Many books have been written on this subject. In this chapter, we'll cover enough of the basics so that we can comfortably edit the MariaDB configuration files and know our way around. Think of this chapter as a MariaDB configuration highlights tour.

The topics that we will cover in this chapter include the following:

  • The MariaDB filesystem layout
  • Modular configuration on Linux
  • The anatomy of the MariaDB configuration file
  • Activating configuration changes

The MariaDB filesystem layout

A MariaDB installation is not a single file or even a single directory, so the first stop on our tour is a high-level overview of the filesystem layout. We'll start with Windows and then move on to Linux.

The MariaDB filesystem layout on Windows

On Windows, MariaDB is installed under a directory named with the following pattern:

C:\Program Files\MariaDB <major>.<minor>\

In the preceding command, <major> and <minor> refer to the first and second number in the MariaDB version string. So for MariaDB 10.1, the location would be:

C:\Program Files\MariaDB 10.1\

The only alteration to this location, unless we change it during the installation, is when the 32-bit version of MariaDB is installed on a 64-bit version of Windows. In that case, the default MariaDB directory is at the following location:

C:\Program Files x86\MariaDB <major>.<minor>\

Under the MariaDB directory on Windows, there are four primary directories: bin\, data...

Modular configuration on Linux

The /etc/my.cnf.d/ and /etc/mysql/conf.d/ directories are special locations for the MariaDB configuration files. They are found on the MariaDB releases for Linux such as Debian, Ubuntu, Fedora, Red Hat, and CentOS.

We will only have one or the other of them, never both, and regardless of which one we have, their function is the same. The basic idea behind these directories is to allow the package manager (APT or YUM) to be able to install packages for MariaDB, which include additions to MariaDB's configuration without needing to edit or change the main my.cnf configuration file. It's easy to imagine the harm that would be caused if we installed a new plugin package and it overwrote a carefully crafted and tuned configuration file. With these special directories, the package manager can simply add a file to the appropriate directory and be done.

When the MariaDB server and the clients and utilities included with MariaDB start up, they first read the...

The anatomy of the MariaDB configuration file

Looking at the contents of the MariaDB configuration file for the first time can be a scary experience, but it doesn't have to be. It's actually laid out quite logically. Sometimes, the hardest part is just knowing where it is. We'll review that first, and then go into the various parts that make up the file.

The configuration file is just a text file and we can edit it with our favorite text editor. Even though the extensions may be different (.ini or .cnf), the contents of the files are the same. Apart from empty lines, which can be ignored, there are four main types of entries in a MariaDB configuration file. These are: comments, groups, options with no values, and options with values. We'll discuss each of them in turn.

Where is my configuration file?

This may seem like a question that should have only one answer, but in an effort to be flexible, MariaDB looks for the my.cnf or the my.ini configuration file in several different...

Activating configuration changes

The last stop on our highlights tour of MariaDB configuration is how to activate the changes, once we've made them. To do so, we need to reload or restart MariaDB.

In Windows, we perform the following commands to stop and start MariaDB, respectively:

sc stop mysql
sc start mysql

The preceding two commands assume that we set the service name to mysql (the default) during installation. If we set it to a different name, such as mariadb, we would specify that instead.

On Linux systems, the way to activate configuration changes is to reload MariaDB. Traditionally, this is done by doing the following (and we may need to preface it with sudo):

/etc/init.d/mysql reload

However, on some systems, the preferred way to reload MariaDB is as follows:

service mysql reload

One or the other, and possibly both, will work.

We can also use the SET command to temporarily set the options. See the MariaDB Knowledge Base for more information on using this command from:

https://mariadb...

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Description

MariaDB is a database that has become very popular in the few short years that it has been around. It does not require a big server or expensive support contract. It is also powerful enough to be the database of choice for some of the biggest and most popular websites in the world, taking full advantage of the latest computing hardware available. From installing and configuring through basic usage and maintenance, each chapter in this revised and expanded guide leads on sequentially and logically from the one before it, introducing topics in their natural order so you learn what you need, when you need it. The book is based on the latest release of MariaDB and covers all the latest features and functions. By the end of this beginner-friendly book, not only will you have a running installation of MariaDB, but you will have practical, hands-on experience in the basics of how to install, configure, administer, use, and maintain it.

Who is this book for?

This book is for anyone who wants to learn more about databases in general and wants to get started with MariaDB. Prior database experience is not required.

What you will learn

  • Install MariaBD on Windows, Mac OS X, and Linux
  • Configure MariaDB for better performance using the features of version 10
  • Get familiar with the usage of operators for retrieving rows more selectively
  • Use MariaDB 10 s powerful tools to store, retrieve, and analyze data
  • Secure MariaDB from unauthorized access
  • Maintain the databases associated with MariaDB to ensure efficient and optimum functioning
  • Retrieve data and learn how to sort, summarize, group, and manipulate it
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Publication date : Jun 17, 2015
Length: 140 pages
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Language : English
ISBN-13 : 9781785284120
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Table of Contents

10 Chapters
1. Installing MariaDB Chevron down icon Chevron up icon
2. Configuring MariaDB Chevron down icon Chevron up icon
3. Securing MariaDB Chevron down icon Chevron up icon
4. Administering MariaDB Chevron down icon Chevron up icon
5. Using MariaDB – Databases and Tables Chevron down icon Chevron up icon
6. Using MariaDB – Inserting, Updating, and Deleting Chevron down icon Chevron up icon
7. Using MariaDB – Retrieving Data Chevron down icon Chevron up icon
8. Maintaining MariaDB Chevron down icon Chevron up icon
A. MariaDB Next Steps Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon

Customer reviews

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Full star icon Full star icon Full star icon Full star icon Half star icon 4.4
(8 Ratings)
5 star 62.5%
4 star 25%
3 star 0%
2 star 12.5%
1 star 0%
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UNKNOWN Mar 28, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Good book to start with
Amazon Verified review Amazon
Manfred B. Feb 17, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Kurz und kompakt werden alle wichtige Themen Abgehandelt.
Amazon Verified review Amazon
Grizzly King Jul 01, 2019
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Good basic reference for someone new to MariaDB or MySQL. Basic stuff with good references/links to more details
Amazon Verified review Amazon
GERALD Jan 31, 2020
Full star icon Full star icon Full star icon Full star icon Full star icon 5
The whole book is great. I particularly liked the coverage of installing on multiple platforms, configuration files, basic security and administration.
Amazon Verified review Amazon
James Handley Jun 24, 2016
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Short and straight go the point. Exactly what I needed to go from 0 to 100 in no time at all with administering MariaDB.
Amazon Verified review Amazon
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