单项选择题
A.Include an SPFILE parameter in each instance-specified initialization file.
B.Create an SPFILE copy on each client from which the instance will be started.
C.Store the SPFILE in a raw partition with a vendor-specifies location and name.
D.Use a single client to start the instances and create the SPFILE on this client.
多项选择题 AutomaticConsumerGroupSwitchingisanimportantnewfeatureoftheDatabaseResourceManager.Whichthreeplandirectiveparametersareusedtocontrolthisfeature？（）
单项选择题 You company has four DBAs. You need to know which DBA added a column to the JOB_HISTORY table. The database cannot be offline during work hours. Which LogMiner command can you use to find out which user made the table change？（）
单项选择题 You created a database by using the Database Configuration Assistant. What must you do to access a user account in the sample schemas？（）