11g Upgrade path

Depending on your current database release, you may or may not be able to directly

upgrade to the Oracle Database 11g Release 1 (11.1) version

■ 7.3.3 (or lower) => 7.3.4 => 9.2.0.8 => 11.1

■ 8.0.5 (or lower) => 8.0.6 => 9.2.0.8 => 11.1
■ 8.1.7 (or lower) => 8.1.7.4 => 9.2.0.8 => 11.1
■ 9.0.1.3 (or lower) => 9.0.1.4 => 9.2.0.8 => 11.1
■ 9.2.0.3 (or lower) => 9.2.0.8 => 11.1