单项选择题
A. The plan baselines are verified with the SQL profiles.
B. All fixed plan baselines are converted into nonfixed plan baselines.
C. All the nonaccepted SQL profiles are accepted into the plan baseline.
D. The nonaccepted plans in the SQL Management Base are verified with the existing plan baselines.
单项选择题 You opened the encryption wallet and then issued the following command: Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column. What is the outcome?（）
单项选择题 Which statement is true regarding the retention policy for the incidents accumulated in the AutomaticDiagnostic Repository (ADR)?（）
多项选择题 The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command: SQL> ALTER TABLESPACE hi_data BEGIN BACKUP; Which two statements are true in this scenario? （）