Each of these tables relates to database security in MySQL.
A3:
4:
Create a new database user as follows:
GRANT USAGE ON *.* TO 'STEVE@LOCALHOST' IDENTIFIED BY 'STEVE123';
Although a user called "STEVE" has been created in the MySQL database, this new user account is not useful unless there is a user called "STEVE" at the operating system level (for example, in Windows or Linux). Logins are important for multiple user environments, such as Linux.