MySQL is an open-source RDBMS (relational database management system). It's name is a combination of "My" the name of co-founder Michael Widenius's daughter, and "SQL", the abbreviation for Structured Query Language. Realvision Internet Developers are fluent in MySQL and use it on a daily basis.
This job involved migrating a Joomla 1.5 site to a stable and secure Joomla 3 site, importing users, and content, along with template and CSS modifications.
Thanks for updating the site.