多項(xiàng)選擇題

When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? （）(Choose two.)

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.

你可能感興趣的試題

單項(xiàng)選擇題

To view the results of the most recent Automatic SQL Tuning Advisor task, which sequence should you follow?（）

A. EM Database home page, Software and Support, SQL Advisors, Automatic SQL Tuning Advisor.
B. EM Database home page, Software and Support, Advisor Central, SQL Advisors, Automatic SQL Tuning Advisor.
C. EM Database home page, Software and Support, Support Workbench, Advisor Central, SQL Advisors, Automatic SQL Tuning Advisor.
D. Either B or C
E. All of the above

多項(xiàng)選擇題

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？（）

A. The command restores only the missing control file.
B. The command restores all the control files.
C. The command fails because the database is running.
D. This is the correct way to address this problem.
E. This is not the correct way to address this problem.

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? （）(Choose two.)

你可能感興趣的試題

To view the results of the most recent Automatic SQL Tuning Advisor task, which sequence should you follow?（）

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？（）

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

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？（）