ORA-01530: a database already mounted by the instance
Answer / guest
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.
Please add more information about this Error
| Is This Answer Correct ? | 0 Yes | 0 No |
RMAN-10025: connection is already registered for events
PLS-00639: NCHAR/NVARCHAR2 cannot be byte length semantics
ORA-19016: attributes cannot occur after element specifications
NNO-00271: warning: names.ora region is version string, network definition is version string
TNS-04087: Unable to shutdown atleast one of the gateways.
ORA-00021: session attached to some other process; cannot switch session
ORA-40211: algorithm name string is invalid
IMG-00834: merged area queue is full
RMAN-20261: ambiguous backup piece handle
ORA-12442: policy column "string" already used by an existing policy
ORA-36646: (XSDUNION08) Only concat dimensions can be redefined as UNIQUE. workspace object is not a concat dimension.
ORA-02804: Allocation of memory failed for log file name