ORA-16001: database already open for read-only access by another instance

文档解释

ORA-16001: database already open for read-only access by another instance

Cause: The database has been opened for read-only access by another instance, and cannot be opened for read/write access by this instance.

Action: This instance must be opened for read/write access, or all other instances must first be shut down and reopened for read-only access.

ORA-16001:表示数据库已经被另一个实例访问,处于只读模式。

官方解释

常见案例

一般处理方法及步骤

1.确保所有其他实例都已正常终止,并取消只读访问,然后再进行写访问。

2.确保数据库以正确的模式打开。

3.检查数据库连接以确保只有一个实例访问数据库,而不是多个实例。

4.重新启动及关闭数据库来重置连接,以确保正确的模式。

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