You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS； Under which conditions would this command execute successfully？ （）
- A、 The database is in NOMOUNT state.
- B、 The database is in NOARCHIVELOG mode and the tablespace is online.
- C、 The database is in NOARCHIVELOG mode and the tablespace is offline.
- D、 The database is in ARCHIVELOG mode and the tablespace is offline.
- E、 The database is in ARCHIVELOG mode and the tablespace is online.
正确答案:C,D,E
答案解析:有
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