A system administrator needs to upgrade the Oracle database from Version 7 to Version 8.  Which of the following scheduling concerns should be considered?()A、Schedule enough down time to backup, upgrade and reboot. B、Backup, upgrade, then schedule enough 

题目

A system administrator needs to upgrade the Oracle database from Version 7 to Version 8.  Which of the following scheduling concerns should be considered?()

  • A、Schedule enough down time to backup, upgrade and reboot. 
  • B、Backup, upgrade, then schedule enough down time to reboot the system.
  • C、Backup, then schedule enough down time to upgrade and reboot the system. 
  • D、There are no scheduling concerns because no down time is required.
参考答案和解析
正确答案:A
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