单项选择题
A. By default, EM express is available for a database after database creation.
B. You can use EM express to manage multiple databases running on the same server.
C. You can perform basic administrative tasks for pluggable databases by using the EM express interface.
D. You cannot start up or shut down a database Instance by using EM express.
E. You can create and configure pluggable databases by using EM express.
多项选择题 Which three statements are true about Flashback Database?（）
多项选择题 In your Database, the TBS PERCENT USED parameter is set to 60 and the TBS PERCENT FREE parameter is set to 20. Which two storage-tiering actions might be automated when using information Lifecycle Management (ILM) to automate data movement?（）
多项选择题 Examine the query and its output executed In an RDBMS Instance:Which three statements are true about the users (other than sys) in the output?（）