miguel@Hermes:/opt/mysql/server-5.5$ sudo apt-cache policy mysql-server
[sudo] password for miguel:
mysql-server:
  Installed: (none)
  Candidate: 5.5.24-0ubuntu0.12.04.1
  Version table:
     5.5.24-0ubuntu0.12.04.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages
     5.5.22-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
miguel@Hermes:/opt/mysql/server-5.5$