Decommissioning of the Oracle 12.1.0 to 11R2 database

Hello world

I am very new to databases, and oracle products so lie my question may seem like a bit simple for someone, but I really owe an answer to it.

I use OTN Developer Day VM, that comes with the pre-installed Oracle DB 12cR1. I wonder if its possible to dowgrade it to 11R2? Perhaps in order to do the downgrade must have previously been improved from 11R2 to 12cR1?

Concerning

Hello

If it is one of the developer VMs / VDI images you will be giving yourself quite the headache. My advice would be rather just pull down one of the virtual machines, Oracle 11 g. That DB is very probably a new DB with the patterns of Dev.

I never tried without decommissioning a DB in addition to a lower version (if it is created in the latest version, so there is no rason). If it was built for schema components 12 c can rely on packages of 12 c and not to be backward compatible - thus depends on the product. Otherwise generally built schema will be joined by dependencies (for example several products have the builds of schema for Oracle, Sybase, MySQL) but will quote release dependencies.

Play with the dev builds seems kind of a waste of time (for yourself!) unless it's a task a developer day course!

It's pretty easy to separate the logic of the scheme via export / datapump.

Thank you

Tags: Database

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