This view lists the offline ranges for datafiles. It corresponds to the V$OFFLINE_RANGE view.
An offline range is created for a datafile when its tablespace is first altered to be offline normal or read-only, and then subsequently altered to be online or read/write. Note that no offline range is created if the datafile itself is altered to be offline or if the tablespace is altered to be offline immediate.
| Column | Datatype | Description | 
|---|---|---|
| DB_KEY | NUMBER | The primary key for the target database. Use this column to join with almost any other catalog view. | 
| DBINC_KEY | NUMBER | The primary key for the incarnation of the target database. Use this column to join with RC_DATABASE_INCARNATION. | 
| DB_NAME | VARCHAR2(8) | The DB_NAMEof the database incarnation to which this record belongs. | 
| RECID | NUMBER | The record identifier for the offline range from V$OFFLINE_RANGE.RECIDandSTAMPform a concatenated primary key that uniquely identifies this record in the target database control file. | 
| STAMP | NUMBER | The stamp for the offline range from V$OFFLINE_RANGE.RECIDandSTAMPform a concatenated primary key that uniquely identifies this record in the target database control file. | 
| FILE# | NUMBER | The absolute file number of the datafile. | 
| CREATION_CHANGE# | NUMBER | The SCN at datafile creation. | 
| OFFLINE_CHANGE# | NUMBER | The SCN taken when the datafile was taken offline. | 
| ONLINE_CHANGE# | NUMBER | The online checkpoint SCN. | 
| ONLINE_TIME | DATE | The online checkpoint time. | 
| CF_CREATE_TIME | DATE | The time of control file creation. |