Install MySQL 5.6 on Debian 7

Add the Repo
wget http://repo.mysql.com/mysql-apt-config_0.3.5-1debian7_all.deb
dpkg -i mysql-apt-config_0.3.5-1debian7_all.deb

The above package will create a file /etc/apt/sources.list.d/mysql.list which will contain lines like these or similar:
deb http://repo.mysql.com/apt/debian/ wheezy mysql-5.6
deb-src http://repo.mysql.com/apt/debian/ wheezy mysql-5.6

Install MySql 5.6
apt-get update
apt-get install mysql-server-5.6