mysql

Install the the client and server software

$ sudo yum install mysql

$ sudo yum install mysql-server

start mysql server

$ sudo service mysqld start

automatically start mysql daemon on startup

$ sudo chkconfig --level 2345 mysqld on

set root password

$ mysqladmin -u root password foobar

login to localhost server

$ mysql -u root -p
mysql>

create a new user

mysql> create user 'username'@'localhost' identified by 'password';

mysql> grant all privileges on *.* to 'username'@'localhost' with grant option;

mysql-workbench: admin GUI

$ sudo yum install mysql-workbench

Tutorial on creating a database using mysql-workbench here