apt-cache policy mysql-server-5.5 mysql-server

apt-cache policy mysql-server-5.5 mysql-server
mysql-server-5.5:
  Installed: (none)
  Candidate: 5.5.41-0ubuntu0.14.04.1
  Version table:
     5.5.41-0ubuntu0.14.04.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
     5.5.35+dfsg-1ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
mysql-server:
  Installed: 5.5.41-0ubuntu0.14.04.1
  Candidate: 5.5.41-0ubuntu0.14.04.1
  Version table:
 *** 5.5.41-0ubuntu0.14.04.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
        100 /var/lib/dpkg/status
     5.5.35+dfsg-1ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages