A database is open READ WRITE and the instance has multiple sessions some of which have active
transactions.
You execute this command:
SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;
Which three are true about the active transactions? (Choose three.)
You plan to migrate your database from a File system to Automata Storage Management (ASM) on same platform.
Which two methods or commands would you use to accomplish this task? (Choose two.)
In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer.
Which statement is true?
You use a recovery catalog for maintaining your database backups.
You execute the following command:
$rman TARGET / CATALOG rman / cat@catdb
RMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;
Which two statements are true? (Choose two.)