In order to use "userStore" as an Oracle RDB, we refer to the following guide.
Create a JDBC Data Source - CA Identity Manager - 14.2 - CA Technologies Documentation
but, "objectstore-ds.xml" file not found.
How to create RDB userStore?
I assume this is for the non-virtual appliance. Try reviewing the JBoss/Wildfly \standalone\configuration\standalone-full.xml file as that is where I see the data sources defined.