ORA-12963
A read-only instance cannot be the first instance to open a database.
Cause
A read-only instance was the first instance to try to open a database.
Action
A database must have been opened by at least one read/write instance for a read-only instance to be able to open it.
ORA-12963
A read-only instance cannot be the first instance to open a database.
Cause
A read-only instance was the first instance to try to open a database.
Action
A database must have been opened by at least one read/write instance for a read-only instance to be able to open it.
ORA-12963
A read-only instance cannot be the first instance to open a database.
Cause
A read-only instance was the first instance to try to open a database.
Action
A database must have been opened by at least one read write instance for a read-only instance to be able to open it.
