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ORA-16002: database already open for read/write access by another instance

ORA-16002: database already open for read/write access by another instance
Cause: The database has been opened for read/write access by another instance, and cannot be opened for read-only access by this instance.
Action: This instance must be opened for read-only access, or all other instances must first be shut down and reopened for read/write access.

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小智
ORA-16002:数据库已经为另一个实例的读/写访问打开,
.原因:数据库已为另一个实例进行读/写访问而打开,并且无法打开该实例的只读访问权限。,
.操作:必须为只读访问打开此实例,或者必须先关闭所有其他实例,然后重新打开以进行读/写访问。,
.
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