Oracle Upgrade roadmap Oracle数据库升级路线图总览

Moving from much older releases of Oracle Database, it suggested that an upgrade to 9iR2 is done first.

Upgrade to Oracle Database 10g Release 2For all release upgrades, export/import will work as well.Direct upgrades to 11.1 are supported from 9.20.4 or higher, 10.1.0.x, 10.2.0.x.