1. What is SQL?
Structured Query Language (Structured Query Language), referred to as SQL
It is a set of standards and a database query language. SQL is used to interact with the database and complete the communication with the database.
2. What is MySQL?
MySQL is a relational database management system developed by the Swedish company MySQL AB and is a product of Oracle.
MySQL is one of the most popular relational database management systems. In terms of web applications, MySQL is one of the best RDBMS (Relational Database Management System) application software.
It is very commonly used in Java enterprise-level development, because MySQL is open source and free, and it is easy to expand.