Which of the following statements is true when the database is in ARCHIVELOG mode and tablespaces are in hot backup mode?()

A .  Archive log generation is suspended until the tablespaces are taken out of hot backup mode.  B .  Datafiles are not written to during hot backups. C .  Changes to the database are cached during the backup and not written to the datafiles to ensure that the datafiles are consistent when recovered. D .  The datafile headers are not updated during the backup. E .  The way data is written to the online redo logs is unchanged during the backup.

时间:2022-10-02 23:05:17 所属题库:1Z0-053题库

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