EnterpriseDB Corporation today announced the release of EnterpriseDB 2005 for Mac OS X Server version 10.4 “Tiger.” EnterpriseDB 2005 is a relational database management system (RDBMS) that is built on PostgreSQL, which the company says is the world’s most advanced open source database. EnterpriseDB 2005 features significant performance enhancements over PostgreSQL and runs many Oracle applications unmodified. Pricing options and other information are available from the company’s Web site.