ORA-01530: a database already mounted by the instance

ORA-01530: a database already mounted by the instance
Cause: During ALTER DATABASE MOUNT, an attempt is being made to mount a database on an instance in which a database is or has previously been mounted.
Action: If you wish to mount the database, shutdown the instance and then startup the instance and retry the operation.

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小智 2018-08-30 16:36

ORA-01530：实例已经装载的数据库,
.原因：在ALTER DATABASE MOUNT期间，尝试在数据库已安装或以前已安装的实例上安装数据库。,
.操作：如果要安装数据库，请关闭实例，然后启动实例并重试该操作。,
.

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ORA-01530: a database already mounted by the instance

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