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 datab

题目

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 ARCHIVELOG mode and the tablespace is online.
  • C、The database is in ARCHIVELOG mode and the tablespace is offline.
  • D、The database is in NOARCHIVELOG mode and the tablespace is online.
  • E、The database is in NOARCHIVELOG mode and the tablespace is offline.
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参考答案和解析
正确答案:B,C,E
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