MySQL

MySQL is the  most popular open source  relational database management system. It is a central component of the LAMP open-source web application software stack and is also used in many high-profile, large-scale websites, including Google[9][10] (though not for searches), Facebook, Twitter,Flickr, and YouTube.

It is a Combination of “My”, the name of co-founder Michael Widenius’s daughter, and “SQL”, the abbreviation for Structured Query Language. The server software itself and the client libraries use dual-licensing distribution and Support can be obtained from the official manual.

MySQL performance, reliability, and ease-of-use has become the leading database choice for web-based applications used by high profile web properties including Face book, Twitter and YouTube.

It is Built on MySQL Enterprise Edition and powered by Oracle Cloud, Oracle MySQL Cloud Service provides a simple, automated, integrated, and enterprise-ready cloud service enabling organizations to increase business agility and reduce costs.

MySQL received  reviews, and reviewers noticed it “performs extremely well in the average case” and that the “developer interfaces are there, and the documentation Excellent”.

MySQL has also been tested to be a “fast, stable and true multi-user, multi-threaded sql database server”.