An initiative of Mobiliar IT

Finally Oracle has changed the License Documentation that Standby CDB can be open in Read Only without using Active Data Guard license!

Regular readers of our blog have read the article Oracle Multitenant 12.2 – the big challenge of PDB hot cloning in MAA environments, which explains how to make a Hot Clone in a Data Guard environment, so that the standby after the cloning database is not corrupt.

One of the requirements was that the Standby CDB must be open in Read Only and this was only allowed with Active Data Guard.

I am writing in past, because Oracle has now added the following section to the license document at our input.

The container root (CDB$Root) of the standby database may be opened read-only without requiring an Oracle Active Data Guard license. An Oracle Active Data Guard license is only required if any of the pluggable databases in the standby is opened for read.

This is now officially written down and everyone can implement the workaround accordingly.

Here the link to the official Active Data Guard License Document

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