Book Image

MariaDb Essentials

By : Kenler
Book Image

MariaDb Essentials

By: Kenler

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 (10 chapters)
9
Index

Accessing CSV files


The CSV file format is probably one of the most used formats for exchanging data between different applications that don't use the same format by default. Most of the spreadsheet software and RDBMSs have a function for importing and exporting data to the CSV format.

For BI, it can be used to centralize the data written by non-IT people with their favorite spreadsheet editor, such as employee lists, expense reports, sales reports, marketing statistics, and so on.

For example, if your bank lets you export your account activity in CSV, the format of the export will probably be similar to the following:

Date;Description;Debit;Credit;Balance
2015/08/01;"ATM Withdrawal";200.00;;7818.35
2015/07/27;"ATM Withdrawal";200.00;;8018.35
2015/07/26;"Bank transfer";1000.00;;8218.35
2015/07/25;"Bank transfer";;4000.00;9218.35
2015/07/20;"ATM Withdrawal";200.00;;5218.3

By default, the CONNECT storage engine will look for files in the MariaDB data directory, which is set to /var/lib/mysql by...