Book Image

MariaDb Essentials

Book Image

MariaDb Essentials

Overview of this book

This book will take you through all the nitty-gritty parts of MariaDB, right from the creation of your database all the way to using MariaDB’s advanced features. At the very beginning, we show you the basics, that is, how to install MariaDB. Then, we walk you through the databases and tables of MariaDB, and introduce SQL in MariaDB. You will learn about all the features that have been added in MariaDB but are absent in MySQL. Moving on, you’ll learn to import and export data, views, virtual columns, and dynamic columns in MariaDB. Then, you’ll get to grips with full-text searches and queries in MariaDb. You’ll also be familiarized with the CONNECT storage engine. At the end of the book, you’ll be introduced to the community of MariaDB.
Table of Contents (15 chapters)
MariaDB Essentials
About the Authors
About the Reviewers

Accessing XML and HTML files

XML is another widely used format for exchanging data between various softwares. The document can be represented by a tree, and each node can have one or several attributes.

In this chapter, we will use a sample file taken from the MSXML documentation at Save this file in the previously created /tmp/mariadb folder as books.xml.

Accessing XML data

We will now create a table called books to access the XML data from MariaDB:

  author VARCHAR(255),
  title VARCHAR(100),
  genre VARCHAR(100),
  price FLOAT(12,2),
  publish_date DATE date_format='YYYY-MM-DD',
  description VARCHAR(4096)
engine=CONNECT table_type=XML file_name='/tmp/mariadb/books.xml';

The column names of the table are mapped to the tags of the XML files. You can check that the mapping is done correctly, and that you can access your data with the following query:

SELECT * FROM books;

In the original file, there is an...