Answer / guest

Cause: The DB_UNIQUE_NAME attribute is required when
DG_CONFIG is enabled.

Action: Use the DB_UNIQUE_NAME attribute to specify a valid
Data Guard Name for the destination. The list of valid
DB_UNIQUE_NAMEs can be seen with the V$DATAGUARD_CONFIG view.

Please add more information about this Error

TNS-00255: Closing down log, stopping Navigator

1 Answers  

---

NNL-00909: META VIOLATION responses sent: number

1 Answers  

---

ORA-27037: unable to obtain file status

1 Answers  

---

ORA-21611: key length [string] is invalid

1 Answers  

---

ORA-12063: unable to apply transaction from site string

1 Answers  

---

ORA-07613: $GETJPIW failed in retrieving the user's process label

1 Answers  

---

SQL*Loader-00416: SDF clause for field string in table string references a non existent field.

1 Answers  

---

ORA-01106: database must be closed before dismounting

1 Answers  

---

ORA-23378: connection qualifier "string" is not valid for object group "string"."string"

1 Answers  

---

ORA-30182: invalid precision specifier

1 Answers  

---

ORA-00224: controlfile resize attempted with illegal record type (string)

1 Answers  

---

NID-00415: Change of database name and database ID failed.

1 Answers  

---