Oracle Linux 8 System Administration — Question 6

Which of the following ALTER SYSTEM statements can be run from within a pluggable database (PDB) and affect the entire container database (CDB)?

Answer options

• A. ALTER SYSTEM ENABLE / DISABLE RESTRICTED SESSION
• B. ALTER SYSTEM FLUSH BUFFER_CACHE
• C. ALTER SYSTEM CHECKPOINT
• D. ALTER SYSTEM SWITCH LOGFILE

Correct answer: B, C

Explanation

The correct answers, B and C, can be executed from within a PDB and affect the entire CDB. Options A and D are limited to the PDB context and do not apply to the CDB as a whole.