3 PDBs included with Oracle 19c and desupport of non-CDBs with 20c

It’s Oracle Open World week in San Francisco. and it is time for announcements of course.

3 PDBs included with Oracle 19c and desupport of non-CDBs with 20c

Photo by Aaron Burden on Unsplash

What has been announced?

Today at OOW 2019, Jenny Tsai-Smith and Dominic Giles announced in their talk that the non-CDB architecture will be desupported from Oracle 20c on. But VERY IMPORTANT, from Oracle 19c on you can have 3 user-created pluggable databases of any type without a Multitenant license. As soon as you have need for 4 or more PDBs within one container database, you will need a Multitenant license.

License Guide

You can find the update regarding 3 PDBs already in the Oracle 19c License Guide:

This makes moving to the CDB architecture much more attractive.

And in addition, I personally would recommend to set the parameter MAX_PDBS=3 if you don’t have a Multitenant license yet.

Desupport of the non-CDB architecture

You won’t find this information in the Oracle 19c documentation. It will appear most likely in the Oracle 20c docs. But there were pictures taken in Jenny’s and Dominic‘s talk.

–Mike

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