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?
You have configured RMAN SBT channels to write backups to media. You then take an RMAN backup by using this command: Which three are true? (Choose three.)
Choose three. You issued this command: RMAN> BACKUP RECOVERY AREA FORCE; Which three are true?
Choose the best answer. Examine this configuration: 1. CDB1 is a container database. 2.
COMMON_USER_PREFIX is set to an empty string. 3. PDB1 is a pluggable database in CDB1. 4. APP1_ROOT is an application container in CDB1. 5. APP1_PDB1 is an application PDB in APP1_ROOT. You execute these commands: S sqlplus sys/oracle@localhost:1521/cdb1 as sysdba SQL> CREATE ROLE role1 CONTAINER=CURRENT; Which is true?
What is the effect of specifying the "ENABLE PLUGGABLE DATABASE" clause in a "CREATE DATABASE" statement?
Which two are true about creating pluggable databases (PDBs) in Oracle 19c and later releases?
Choose three. Which three are true about configuring CONTROLFILE AUTOBACKUP by using RMAN?