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1Z0-083 Valid Test Pattern | 1Z0-083 New Study Guide
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Oracle Database Administration II Sample Questions (Q123-Q128):
NEW QUESTION # 123
Which three are true about Optimizer Statistics Advisor? (Choose three.)
- A. It always analyzes all schemas in the database.
- B. It is part of the DBMS_ADVISOR package.
- C. It can recommend changes to improve the statistics gathering process.
- D. It can be run only manually.
- E. It runs automatically every night by default.
- F. It is part of the DBMS_STATS package.
Answer: C,D,F
Explanation:
Explanation
https://mikedietrichde.com/2017/08/22/oracle-optimizer-statistics-advisor-in-oracle-database-12-2-0-1/
https://www.oracle.com/technetwork/database/bi-datawarehousing/twp-bp-for-stats-gather-19c-5324205.pdf
NEW QUESTION # 124
Examine the command for creating pluggable database PDB2 in container database CDB2.
Select three options, any one of which is required for it to execute successfully. (Choose three.)
- A. Enable only OMF.
- B. Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.
- C. Add only the CREATE_FILE_DEST clause to the statement.
- D. Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF)
- E. Set only the PDB_FILE_NAME_CONVERT parameter.
- F. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.
Answer: A,C,F
NEW QUESTION # 125
Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?
- A. database writer performance
- B. log writer performance
- C. database instance memory management and sizes
- D. SQL statements
- E. general operating system health
Answer: E
NEW QUESTION # 126
Choose the best answer. Examine this configuration:
1. CDB1 is a container database running in ARCHIVELOG mode.
2. Multiple uncommitted transactions are running in CDB1.
3. Redo log groups 1 and 2 are INACTIVE.
4. Redo log group 3 is the CURRENT group.
All members of redo log group 3 are lost before it is archived. Examine these possible steps:
1. SHUTDOWN ABORT
2. STARTUP NOMOUNT
3. STARTUP MOUNT
4. ALTER DATABASE MOUNT
5. RESTORE DATABASE
6. RECOVER DATABASE NOREDO
7. RECOVER DATABASE UNTIL AVAILABLE
8. RESTORE ARCHIVELOG ALL
9. ALTER DATABASE OPEN
10. ALTER DATABASE OPEN RESETLOGS
Choose the minimum required steps in the correct order to recover the database.
- A. 1,3,5, 7, 10
- B. 1,3,5, 6, 10
- C. 1,3,5,8, 6, 10
- D. 1,2, 5, 7,4, 10
- E. 1,3,5, 6, 9
- F. 1,3, 5, 6, 10
Answer: A
NEW QUESTION # 127
Which three are true about recovering tables using RMAN?
- A. RMAN can recover tables in the SYSTEM tablespace.
- B. RMAN can recover tables in a standby database.
- C. RMAN always uses an auxiliary instance.
- D. RMAN can recover a table after a DDL operation has altered the table structure.
- E. RMAN can recover tables in the SYSAUX tablespace.
- F. RMAN can recover tables owned by the SYS user.
- G. RMAN can recover tables owned by the SYSTEM user.
Answer: C,D,G
NEW QUESTION # 128
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