DB version: 12.2
GI version: 12.2
OS : RHEL 7.4
In the internet , I have come across articles which mentions multiple CDBs in the same server.
Currently, I have a 2 node RAC cluster with three 11.2.0.4 RAC DBs running in it. Using RMAN, I want to migrate these 3 DBs to a 12.2 cluster and convert (consolidate) these DBs to PDBs . All these DBs are of the same version.
Question1. Having multiple CDBs in the same server/cluster is not helpful in the above case. Right ?
Question2. In what circumstance do we need to create multiple CDBs in the same server/cluster ?