Answer:
None of them is correct, but it seems one of the option has missing words.
The exact definition is, MySQL is a database management system.
Explanation:
Agile is not a programming language, it is a software development methodology.
HTML stands for "Hypertext Markup Language"
Java and JavaScript are different languages.
Actually, MySQL is a database management system. It is used to deal with the relational databases. It uses SQL (Structured Query Language).