Please follow below steps to Create a Database User in cPanel.
Step-1: Login to your cPanel account and search database and select MySQL Databases.
Step-2: Scroll the page and under “MySQL Users” in the “Username” field enter the new username you want to create and enter a password or use a password generator. In the last Click on the “Create a User” Button.
Step-3: Once you click on Create user, User will be created and below message will appear from the system.