ORA-01531
a database already open by the instance
Cause
During ALTER DATABASE, an attempt was made to open a database on an instance for which there is already an open database.
Action
If you wish to open a new database on the instance, first shutdown the instance and then startup the instance and retry the operation.
ORA-01531
a database already open by the instance
Cause
During ALTER DATABASE, an attempt was made to open a database on an instance for which there is already an open database.
Action
If you wish to open a new database on the instance, first shutdown the instance and then startup the instance and retry the operation.
ORA-01531
a database already open by the instance
Cause
During ALTER DATABASE, an attempt was made to open a database on an instance for which there is already an open database.
Action
If you wish to open a new database on the instance, first shutdown the instance and then startup the instance and retry the operation.
