Threaded and multi-user dbms used in most of today's web pages. Applications created as free software. [caption id="attachment_2856" align="aligncenter" width="500"] mysql source: https://www.mysql.com/ [/caption] it is offered under the gnu gpl although it is also possible to acquire a license for companies that want to incorporate it into proprietary products (oracle has been targeting this business environment since its purchase). The main advantages of this database management system are: ease of use and great performance easy to install and configure cross-platform support ssl support the main disadvantage is
scalability, that is, it does not work efficiently with very large databases that exceed a certain size. Mariadb this dbms is a derivative of mysql e commerce photo editing service that has most of its features and includes several extensions. It was born from the acquisition of mysql by oracle to follow the open source philosophy and has the advantage that it is fully compatible with mysql. [caption id="attachment_2857" align="aligncenter" width="500"] mariadb source: https://mariadb.org/ [/caption] among the main characteristics of this database management system are: rise of storage engines great scalability security and speed in transactions extensions and new features related to your application for nosql databases. It does not have very apparent disadvantages except for some
small incompatibilities in the migration of mariadb and mysql or small delays in the release of stable versions. Sqlite more than a database management system as such, sqlite is a library written in c that implements a dbms and allows transactions without the need for a server or configurations. [caption id="attachment_2858" align="aligncenter" width="500"] sqlite source: https://www.sqlite.org/index.html [/caption] it is a library used in many current applications since it is open source and queries are very efficient. The main features of