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Oracle认证考试

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Which two statements are true regarding the starting of the database instance using the following command?() SQL>STARTUP UPGRADE

  • A、It enables all system triggers.
  • B、It allows only SYSDBA connections.
  • C、It ensures that all job queues remain active during the upgrade process.
  • D、It sets system initialization parameters to specific values that are required to enable database upgrade scripts to be run.
正确答案:B,D
答案解析:
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