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Download Oracle Database Administration II Exam Dumps
NEW QUESTION 30
Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)
- A. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
- B. Flashback logs are monitored for being older than the retentionperiod defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
- C. Flashback logs are automatically purged whenever the value of
DB_FLASHBACK_RETENTION_TARGET is changed. - D. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
- E. Flashback logs areautomatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.
Answer: C,D
NEW QUESTION 31
Which three actions are performed by Database Upgrade Assistant (DBUA)? (Choose three.)
- A. It performs prerequisite checks to verify if the Oracle database is ready for upgrade.
- B. It recompiles all stored PL/SQLcode by using utlrp.sql.
- C. It increases tablespace size, if required, to meet upgrade requirements.
- D. It removes the AUDSYS schema and the AUDIT_ADMINand AUDIT_VIEWERroles
- E. It sets all user tablespaces to “read-only” before starting the upgrade.
- F. It empties the RECYCLE BIN.
Answer: A,B,C
Explanation:
Explanation/Reference: https://oracle-base.com/articles/12c/upgrading-to-12c
NEW QUESTION 32
In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments. On further investigation, you f ind that buffer busy waits is caused by contention on data blocks. Which option would you consider first to decrease the wait event immediately?
- A. Increasing db_buffer_cache based on t he V$DB_CACHE_ADVICE recommendation
- B. Using Automatic Segment Space Management (ASSM)
- C. Decreasing PCTUSED
- D. Increasing the number of DBWN process
- E. Decreasing PCTFREE
Answer: B
NEW QUESTION 33
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