postgresql: postgresql (open source database system)
postgresql: 
postgresql: It has more than 15 years of active development and a proven
postgresql: architecture that has earned it a strong reputation for reliability,
postgresql: data integrity, and correctness. It is fully ACID compliant, has full
postgresql: support for foreign keys, joins, views, triggers, and stored
postgresql: procedures (in multiple languages). It includes most SQL:2008 data
postgresql: types and supports storage of BLOB, including pictures, sounds, or
postgresql: video.
postgresql: There is no PL/Perl because Perl package does not provide libperl.so
postgresql: See /usr/doc/postgresql-9.1.0/install-script.sh