Choose three. You must migrate a non-CDB Oracle 11g Database to a CDB without first performing an upgrade to the non-CDB. User-defined objects are stored in several tablespaces in the non-CDB. Which three methods can you use?

choose three Which three RMAN persistent settings can be set explicitly?

In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments. On further investigation, you f ind that buffer busy waits is caused by contention on data blocks. Which option would you consider first to decrease the wait event immediately?

Examine this configuration:
1. CDB1 is a container database.
2. PDB1 and PDB2 are pluggable databases in CDB1.
3. PDB1 and PDB2 are open in read write mode.
You execute these commands successfully:

Which two are true?

Examine this configuration: 1. CDB1 is a container database. 2. COMMON_USER_PREFIX is C##. 3. PDB1 is a pluggable database contained in CDB1. 4. APP1_ROOTis an application container contained in CDB1. 5. APP1_PDB1 is an application PDB contained in APP1_ROOT. You execute these commands successfully: Which two are true? (Choose two.)