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our database is in the MOUNT state and you execute the following command to open it： ALTER DATABASE OPEN What two actions are performed as a result of this command？（）
- A、All control files are opened.
- B、All redo log files are opened
- C、The password file is opened.
- D、The parameter file is opened.
- E、All online data files are opened.
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更多 “ our database is in the MOUNT state and you execute the following command to open it： ALTER DATABASE OPEN What two actions are performed as a result of this command？（）A、All control files are opened.B、All redo log files are openedC、The password file is opened.D、The parameter file is opened.E、All online data files are opened.” 相关考题
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A preexisting database user may be used but a new database has to be created during installation.B
A preexisting database may be used but a new database user has to be created during installation.C
A preexisting database and user may be used or a new database and user are created during installation.D
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