多项选择题
A. It produces less accurate results of the comparison analysis.
B. It automatically calls the SQL Tuning Advisor for recommendations.
C. It shortens the time of execution and reduces the impact on system resources.
D. Only the changes in the execution plan, and not performance regression, are detected.
单项选择题 To view the results of the most recent Automatic SQL Tuning Advisor task, which sequence should you follow?()
多项选择题 Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command: RESTORE CONTROLFILE FROM AUTOBACKUP; Which of the following statements is true?()
单项选择题 Which of the following advisors within the Oracle advisory framework will analyze a single SQL statement and make recommendations for performance improvement?()