To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL> ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to te minate abnormally. Which statement is true about the next database startup and the USERS tablespace?()
A. The database will open,and the tablespace automatically comes out of the backup mode.
B. The database will be mounted,and recovery must be performed on the USERS tablespace.
C. The database will be mounted,and data files in the USERS tablespace must be taken out of the backup mode.
D. The database will not be mounted,and you must restore all the data files for the USERS tablespace from the backup,and perform recovery.
“社区康复应针对病、伤、残者对康复需求和资源状况,采用低投入、高回报、高效益、广覆盖的方法,就近就地,大力开展家庭康复服务于社区所有伤、病、残者。”这个说法针对的是社区康复的原则中的()。
A. 因陋就简的原则
B. 因势利导的原则
C. 低成本、广覆盖
D. 因地制宜的原则