单项选择题
A. The DATA1 tablespace is automatically taken out of backup mode when the instance aborts.
B. If you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.
C. If you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.
D. If you restart the database, the database will not be opened.
多项选择题 The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace. To accomplish the task， you issued the following command： SQL> ALTER TABLESPACE hi_data BEGIN BACKUP； Which two statements are true in this scenario？（）
多项选择题 You want to enable resumable space allocation at the instance level.Which two actions would enable resumable space allocation at the instance level? （）(Choose two.)
单项选择题 You want to disable resumable space allocation for all sessions.Which value should be assigned to the RESUMABLE_TIMEOUT parameter to disable resumable spaceallocation for all sessions?（）