Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode?（）
- A、alter tablespace DAVE_TBS backup mode
- B、alter tablespace DAVE_TBS start backup
- C、alter tablespace DAVE_TBS begin backup
- D、alter tablespace DAVE_TBS backup begin
- E、alter tablespace DAVE_TBS backup
正确答案:C
答案解析:有
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