apt-cache policy mysql-workbench mysql-client
mysql-workbench:
  Installed: (none)
  Candidate: 6.0.8+dfsg-2
  Version table:
     6.0.8+dfsg-2 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
mysql-client:
  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