To create the MySQL database and the user open a control panel cPanel hosting, go to the tab "Database" and choose "MySQL databases":
Find a section "Create New Database", in the textfield type in the database name with latin characters (in our case it is "your_base") and press the button "Create Database":
Then you will see a notification, that the database was added:
Then find the section "Add New User", where you need to fill out fields "Username" (in our case it is "user") and a password:
Click on the button "Create User", and ...