A. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/ write mode gathers object statistics for that PDB.

B. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.

C. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)

D. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.

E. System statistics can be gathered only while connected to CDB$ROOT.

A. It fails because PDB$SEED is in MIGRATE state.

B. Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.

C. Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.

D. CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.

E. Only CDB$ROOT and PDB$SEED are upgraded.

F. It fails because PDB2 is not in UPGRADE state.

A. All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.

B. Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.

C. CDB$ROOT and PDB$SEED are automatically duplicated.

D. A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.

E. The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.

A. 수동으로만 실행할 수 있습니다.

B. DBMS_ADVISOR 패키지의 일부입니다.

C. 통계 수집 프로세스를 개선하기 위한 변경 사항을 권장할 수 있습니다.

D. 항상 데이터베이스의 모든 스키마를 분석합니다.

E. 기본적으로 매일 밤 자동으로 실행됩니다.

F. DBMS_STATS 패키지의 일부입니다.

A. Only consistent backups can be created.

B. The database must be registered in an RMAN catalog.

C. Backups can be taken only if the database is in ARCHIVELOG mode.

D. Backups must be done incrementally.

E. Backups must be contained in backup sets.

F. Backups can be done incrementally.