$ perl -MDBI -e 'DBI->installed_versions'
  Perl            : 5.008008    (i386-linux-thread-multi)
  OS              : linux       (2.6.9-34.elsmp)
  DBI             : 1.53
  DBD::mysql      : 4.001
  DBD::Sponge     : 11.10
  DBD::SQLite     : 1.13
  DBD::Proxy      : install_driver(Proxy) failed: Can't locate RPC/PlClient.pm in @INC
  DBD::Pg         : 1.49
  DBD::Mock       : 1.34
  DBD::InterBase  : 0.46
  DBD::File       : 0.35
  DBD::ExampleP   : 11.12
  DBD::DBM        : 0.03