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Oracle 连接出错最常见的原因

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Release: 2016-06-07 17:09:40
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1,ERROR: ORA-12560: TNS:protocol adapter error listener没有启动,在数据库所在的服务器上启动listener: lsnrctl start 2,ERRO

1,ERROR:

ORA-12560: TNS:protocol adapter error

listener没有启动,在数据库所在的服务器上启动listener: lsnrctl start

2,ERROR:

ORA-01033: Oracle initialization or shutdown in progress

Oracle没有处于open状态,只能以sysdba连接,普通用户连接的时候出现这个错误.

3,ERROR at line 1:

ORA-01034: ORACLE not available

数据库实例启动了,但是没有打开.以sysdba连接上后执行SQL语句出错.

4,ERROR:

ORA-03114: not connected to ORACLE

在session连接后数据库重新启动了,需要重新连接数据库.

linux

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