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              Architecture         Description
+++-===============================-====================-====================-====================================================================
ii  postgresql                      9.3+154ubuntu1.1     all                  object-relational SQL database (supported version)
un  postgresql-7.4                  <none>               <none>               (no description available)
un  postgresql-8.0                  <none>               <none>               (no description available)
un  postgresql-9.1                  <none>               <none>               (no description available)
ii  postgresql-9.3                  9.3.22-0ubuntu0.14.0 amd64                object-relational SQL database, version 9.3 server
un  postgresql-client               <none>               <none>               (no description available)
ii  postgresql-client-9.3           9.3.22-0ubuntu0.14.0 amd64                front-end programs for PostgreSQL 9.3
ii  postgresql-client-common        154ubuntu1.1         all                  manager for multiple PostgreSQL client versions
ii  postgresql-common               154ubuntu1.1         all                  PostgreSQL database-cluster manager
ii  postgresql-contrib              9.3+154ubuntu1.1     all                  additional facilities for PostgreSQL (supported version)
ii  postgresql-contrib-9.3          9.3.22-0ubuntu0.14.0 amd64                additional facilities for PostgreSQL
un  postgresql-doc-9.3              <none>               <none>               (no description available)