Continuous database application evolution with Oracle RDBMS 11gR2 Editions
Performing an application upgrade with new versions of tables, views and packages without suffering any downtime. That is the objective of the Editions feature in Oracle RDBMS 11g Release 2. This presentations illustrates how database development can be organized using Edition Based Redefinition to allow various users and user communities to simultaneously work with different versions of database objects. It will show how to gracefully migrate users and client applications one by one to the latest versions of the database objects, without loss of availability.