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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