A user complains about poor database performance.
You want to verify if the user's session has waited for certain types of I/O activity. Which view displays all waits waited on by a session at least once?
Which three are true about the tools for diagnosing Oracle Database failure situations? (Choose three.)
Which three are true about an application seed pluggable database (PDB)? (Choose three.)
choose three Which three are true about Transparent Data Encryption (TDE)?
Examine these queries and their output: An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1. How do you achieve this?