多项选择题
A.The user is authenticated by the operating system.
B.The objects created by the user are placed in the USERS tablespace.
C.The user does not require quota on the TEMP tablespace to perform sort operations.
D.The user is forced to change the password at the first login to the database instance.
E.The objects created by the user in future are unlocked to be accessed by all the users in the database bydefault.
多项选择题 WhichtwofilesinthedatabasecanbeconfiguredforautomaticbackupsbyusingtheautobackupfeatureinRecoveryManager（RMAN）（）
单项选择题 Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup. What would you do to recover the data file（）
单项选择题 Automatic Shared Memory Management (ASMM) has been enabled for your database instance. The initialization parameters for the components that are managed by ASMM are not set. After observing the effectsof ASMM, you executed the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M; Which statement is true in this scenario()
