Oracle 9i/10g/11g数据库升级路线图总览
注意:Oracle 10.2.0.1 不能直接升级到11gR2,至少需要先升级到10.2.0.2 以后才可以升级到11gR2原因:To find time zone file version on sourcedatabase (10g) runSQL> select * from v$timezone_file; If time zone file ver