文档解释
ORA-16805: change of LogXptMode property violates overall protection mode
Cause: The broker disallowed the attempt to change the LogXptMode configurable property for the standby database because, if allowed, the overall protection mode for the configuration would have been violated.
Action: If the LogXptMode configuration property must be changed for the specified standby database, first downgrade the overall protection mode for the broker configuration. After that operation has completed, the LogXptMode configuration property for the standby database can be changed.
Oracle ORA-16805 是一个非常常见的错误，它提示管理者不能修改 LOGXPTMODE 属性，因为这样带有违反整体数据保护模式的风险。
官方解释
常见案例
一般处理方法及步骤
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