Oracle database version history

The major Oracle versions, with their latest patch-sets are:

• Oracle 7: … – 7.3.4.5
• Oracle 8: 8.0.3 – 8.0.6
• Oracle 8i: 8.1.5.0 – 8.1.7.4
• Oracle 9i (Release 1): 9.0.1.0 – 9.0.1.4
• Oracle 9i (Release 2): 9.2.0.1 – 9.2.0.8
• Oracle 10g (Release 1): 10.1.0.2 – 10.1.0.5
• Oracle 10g (Release 2): 10.2.0.1 – 10.2.0.4
• Oracle 11g (Release 1): 11.1.0.6

If running on one of the above releases, it is recommended to always install the latest patch-set.

Currently supported versions

Oracle 9iR2 will be desupported on 31 July 2007. Customers on Oracle 9.2.0.8 will have the Extended Support fee waived until July 31, 2008. For details about this, see http://www.oracle.com/features/hp/database-9i-support.html

All Oracle 10g and Oracle 11g releases are fully supported.

From http://www.orafaq.com/wiki/Oracle_database#Database_features

Oracle 8i (8.1.7) – August 2000
Oracle 9i Release 1 (9.0.1) – June 2001
Oracle 9i Release 2 (9.2.0) – May 2002
Oracle 10g Release 1 (10.1.0) – January 2004
Oracle 10g Release 2 (10.2.0) – September 2005
Oracle 11g Release 1 (11.1.0.6) – July 2007