After publishing my post about Moving Databases to Exascale 26ai, I received an interesting question: “Can I use the same technique if my source database is running a 19c Standard Edition?”
Checking the documentation, we can see this option:
In short, this means you can use this technique to move/upgrade a 19c Standard Edition database to Oracle AI Database 26ai in any Oracle Database Cloud Service (Standard Edition, Enterprise Edition, High Performance, or Extreme Performance) — not just Exascale.
My source database is a 19c Standard Edition:
My target database is an Exascale 26ai:
My AutoUpgrade config file:
I’m using Refreshable PDB Clones for this test, but it’s not mandatory. You can use other techniques as well, such as unplug/plug.
Let’s create a user on the CDB$ROOT (19c) with the right privileges:
Let’s create the database link on 26ai on the CDB$ROOT pointing to the 19c:
If you face issues with the database link (ORA-02085), please check the parameter global_names.
And everything worked as expected:
