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, whichcommands must you execute to enable SCOTT to flash back the transactions? （）(Choose four.)
多项选择题 YouaremanaginganOracle11gdatabasewithASMstorage，forwhichtheCOMPATIBLEinitializationparameterissetto11.1.0.IntheASMinstance，theCOMPATIBLE.RDBMSattributeforthediskgroupissetto10.2andtheCOMPATIBLE.ASMattributeissetto11.1.WhichtwostatementsaretrueinthisscenarioforthefeaturesenabledforASM？（）
单项选择题 You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true？（）