dpkg -l mysql-server
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                Version                             Description
+++-===================================-===================================-======================================================================================
iU  mysql-server                        5.5.43-0ubuntu0.12.04.1             MySQL database server (metapackage depending on the latest version)