Oracle
18c: No Active Data Guard required (and detected) when only CDB$ROOT and PDB$SEED are opened in read-only
24.06.2018 by Oracle Team
By Franck Pachot . When you clone a PDB on the primary CDB, you want that the same is automatically done on the standby ones. Unfortunately, for this operation, the CDB must be opened read-only. In 12.1 even the PDB(…)