open web browser and goto
https://your sme server/myadmin/
replacing "your sme server" full name or ip address of your server.
login as admin
password admin
on the next screen click on
"Privileges" in center column of screen.
Scroll down until you see "Add a new User"
then follow the instructions above from "futureng"
Browse around and become familiar with the interface.
Create a database and assign privileges to that database to the user smeuserx you created earlier
click on the home icon in upper left corner
When on home page click on phpMyAdmin documentation in the right column. Should find what you need here.
click on the home icon in upper left corner
Logoff center of screen at bottom of list
goto
https://your sme server/myadmin/
or just log back in as the user you just created.
As mentioned earlier SME users and mysql users are not the same thing.