Selected 1z0-083 Oracle Database 19c Questions Answers

TheC# # B_ADMIN user can perform all back up and recovery operation susing RMAN only.

The C # # C_ADMIN user can perform the data guard operation with Data Guard Broker.

The C # # A_ADMIN user can perform wallet operations.

The C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).

The C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.

SQL statements performing many physical I/Os can always have their performance improved by creating indexes.

The solution that best optimizes one SQL statement can degrade the performance of others.

SQL statements doing joins always do more physical I/O than single table queries.

Poorly performing SQL statements can be tuned automatically by the Oracle server.

SQL statements doing only logical reads never require tuning because they do no physical I/O.

A non-CDB can be cloned into a PDB.

A user with SYSDBA or SYSBKUP must be logged in with RMAN to CDB$ROOT when cloning a PDB.

Only one PDB can be cloned at a time.

Two or more PDBs can be cloned with the same command.

A user with SYSDBA or SYSBKUP must be logged in with RMAN to the non-CDB being cloned when cloning a non-CDB.

The target and auxiliary instance passwords must be the same.

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using RMAN while connected to PDB1.

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using SQL while connected to PDB1.

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using SQL while connected to CDB$ROOT.

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using RMAN while connected to CDB$ROOT.

This cannot be done due to the lack of a clean restore point.