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oracle 在服务器上正常工作，但突然从 2 天前开始我无法连接它，不幸的是服务器管理器已经好几个星期不在了，我对 oracle 不太熟悉，我提前感谢您的帮助。

错误：

An error was encountered performing the requested operation:

ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
01034. 00000 -  "ORACLE not available"
*Cause:    Oracle was not started up. Possible causes include the following
           - The SGA requires more space than was allocated for it.
           - The operating-system variable pointing to the instance is
           improperly defined.
*Action:   Refer to accompanying messages for possible causes and correct
           the problem mentioned in the other messages.
           If Oracle has been initialized, then on some operating systems,
           verify that Oracle was linked correctly. See the platform
           specific Oracle documentation.
Vendor code 1034
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1 回答 1

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数据库已被故意停止或已崩溃。如果不咨询警报日志和任何可能已生成的跟踪文件，就无法判断。

这不是可以在 SO 上讨论的那种事情。它需要真正的专业知识，如果您没有 DBA 或任何有权访问服务器的高级用户，那么您就不走运了。

这个数据库重要吗？我很想说“显然不是”，因为谁会让关键的业务流程“数周”无人看管？然而，如果你真的需要这个数据库，你必须告诉你的老板，他们将不得不紧急聘请 DBA。

于 2013-05-06T07:17:00.893 回答