Your multitenant container database (CDB) cdb1 that is running in archivelog mode contains two pluggable databases (PDBs), pdb2_1 and pdb2_2, both of which are open. RMAN is connected to the target pluggable database pdb2_1.RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT;Which statement is true about the execution of this command to back up the database?
You notice that the performance of your production 24/7 Oracle 12c database has significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance.How can you detect the cause of the degraded performance?
You issue commands in SQL*Plus as the Oracle owner, to enable multithreading for your UNIX-based Oracle 12c database:CONNECT/AS SYSDBA -ALTER SYSTEMSETTHREADED__EXECUTION= TRUESCOPE=SPFILE;SHUTDOWNIMMEDIATE -You then restart the instance and get an error:STARTUP -ORA-01031:insufficientprivilegesWhy does the startup command return the error shown?
Your multitenant container database (CDB) cdb1, which has no startup triggers and contains multiple pluggable databases (PDBs), is started up by using the command:SQL>STARTUP -Which two statements are true about the successful execution of the command?
Examine the resources consumed by a database instance whose current Resource Manager plan is displayed.SQL> SELECT name, active_sessions, queue_length,consumed_cpu_time, cpu_waits, cpu_wait_timeFROM v$rsrc_consumer_group;Which two statements are true?
Which two statements are true about scheduling operations in a pluggable database (PDB)?
