单项选择题
A.All the extents will be of the same size.
B.Bitmap will be used to record free and allocated extents.
C.Free extents will be managed by the data dictionary tables.
D.The tablespace will be system managed and the users cannot specify the extent size.
单项选择题 YouexecutedtheSTARTUPMOUNTcommandtostartyourdatabase.ForwhichdatabaseoperationdoyouneedtostartthedatabaseintheMOUNTstate？（）
单项选择题 When you try to open your database， you receive the following error： ORA-00205： error in identifying controlfile Where would you find the details required to resolve this error？（）
单项选择题 User SCOTT wants to export his objects using Oracle Data Pump and executes the following command： $ expdp scott/tiger directory = EXPORT_DIR dumpfile = scott.dmp include = table include = view："like ’%DEPARTMENTS%’" content = DATA_ONLY Which task would the command accomplish？（）