单项选择题
A. Opening the database in RESTRICTED mode
B. Opening the database with the RESETLOGS option
C. Setting a new DBID for the newly restored database
D. Restoring the server parameter file (SPFILE) to the new host
多项选择题 User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, which commands must you execute to enable SCOTT to flash back the transactions?（）
单项选择题 Examine the following RMAN script: Which statement describes the purpose of the script?（）
单项选择题 What does the DB_FLASHBACK_RETENTION_TARGET parameter configure?（）