Oracle已经启动，连接sqlplus后，进行查询，出现下面错误ORA-01034: ORACLE not availableORA-27101: shared memory realm does
Oracle已经启动，连接sqlplus后，进行查询，出现下面错误
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory
SQL> shutdown immediate;
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory
想起刚修改过oracle用户的环境变量，应该是找不到oracle_home，重新修改，正常。
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ORA-01172、ORA-01151错误处理
ORA-00600 [2662]错误解决
ORA-01078 和 LRM-00109 报错解决方法
ORA-00471 处理方法笔记
ORA-00314,redolog 损坏，或丢失处理方法
ORA-00257 归档日志过大导致无法存储的解决办法
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