Q168. Examine these queries and their output:
After a system crash, an instance restart and an attempted opening of the PDBs result in:
Which two are true? (Choose two.)
- A. Data file 24 can be recovered while PDB2 is opened.
- B. Data file 24 must be recovered while the CDB is opened.
- C. Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.
- D. Data file 24 cannot be recovered while the CDB is opened.
- E. Data file 24 must be recovered while PDB2 is closed.
Answer: AC