鄂破机看 发表于 2018-9-13 13:14:52

查看oracle当前库的模式

  SQL>startupnomount;
  SQL>selectopen_modefromv$database;
  报错:ORA-01507:databasenotmounted
  由于只启动到nomount,所以会报上面的错误
  SQL>alterdatabasemount;
  SQL>selectopen_modefromv$database;
  OPEN_MODE
  ----------
  MOUNTED
  SQL>alterdatabaseopen;
  SQL>selectopen_modefromv$database;
  OPEN_MODE
  ----------
  READWRITE

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