Q78. How do you configure a CDB for local undo mode?
Q78. How do you configure a CDB for local undo mode?
- A. Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATBASE LOCAL UNDO ON, and then restart the CDB instance.
- B. Open the CDB in read-only mode. In CDB$ROOT, execute ALTER DATBASE LOCAL UNDO ON, and then change the CDB to read/write mode.
- C. Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance.
- D. Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and restart the CDB instance.
- E. Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, create UNDO tablespace in each PDB, then restart CDB instance
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