MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database. Simple and easy to use, to solve the needs of small and medium-sized enterprises for the database. MySQL is so popular that many new database systems are compatible with MySQL's protocol to attract new users.
Together with Linux, Apache and PHP, it is called LAMP. Through four simple open source systems, you can quickly build a website with good performance.
The new version of MySQL adds JSON fields that can perform some of the functions of NoSQL, which makes MySQL even more powerful.
Always remember that utf8 cannot save special characters, use utf8mb4.