MySQL

MySQL Documentation

MySQL is an open-source RDBMS which stands for relational database management system. On the website you can find information about installing, syntax, configuration documents, and many other things to use MySQL properly.

MySQL vs Other Databases

MySQL has some similarities with other database systems. They are ACID compliant which stands for Atomicity, Consistency, Isolation, Durability. It is scalable like many of the other systems. One unique feature from MySQL is it's storage engine architecture, this allows you ease of choosing how data is stored and accessed.

Usage of MySQL Worldwide

Looks like MySQL is used widely across the world as a database system. It is a key component in the XAMPP, LAMP, MAMP, WAMP, stacks. DB-Engines Ranking puts it at rank 2 in the world currently and looking at the trend chart it looks like it's stayed in the top for many years.

Some big names that use MySQL are Facebook, Twitter, and YouTube.

Summary

From the data out there MySQL seems to be a very popular and widely used database mananagment system. It shares many features with other systems as well as brining unique features of its own. MySQL is used by some big web sites and applications out there making it a popular option for web development.