MySQL is an open-source relational database management system (RDBMS). ... A relational database organizes data into one or more data tables in which data types may be related to each other; these relations help structure the data.

MySQL is an open-source relational database management system (RDBMS). ... A relational database organizes data into one or more data tables in which data types may be related to each other; these relations help structure the data.