| 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. | 
| CCF_KEY | NUMBER | The primary key of the control file copy in the recovery catalog. If you issue the LISTcommand while RMAN is connected to the recovery catalog, then this value appears in theKEYcolumn of the output. | 
| RECID | NUMBER | The record identifier from V$DATAFILE_COPY.RECIDandSTAMPform a concatenated primary key that uniquely identifies this record in the target database control file. | 
| STAMP | NUMBER | The stamp from V$DATAFILE_COPY.RECIDandSTAMPform a concatenated primary key that uniquely identifies this record in the target database control file. | 
| NAME | VARCHAR2(1024) | The control file copy file name. | 
| TAG | VARCHAR2(32) | The tag of the control file copy. NULLif no tag used. | 
| RESETLOGS_CHANGE# | NUMBER | The SCN of the most recent RESETLOGSwhen the record was created. | 
| RESETLOGS_TIME | DATE | The time stamp of the most recent RESETLOGSwhen the record was created. | 
| CHECKPOINT_CHANGE# | NUMBER | The control file checkpoint SCN. | 
| CHECKPOINT_TIME | DATE | The control file checkpoint time. | 
| CREATION_TIME | DATE | The control file creation time. | 
| BLOCKS | NUMBER | The number of blocks in the control file. | 
| BLOCK_SIZE | NUMBER | The block size in bytes. | 
| MIN_OFFR_RECID | NUMBER | Internal use only. | 
| OLDEST_OFFLINE_RANGE | NUMBER | Internal use only. | 
| COMPLETION_TIME | DATE | The time when the copy was generated. | 
| STATUS | VARCHAR2(1) | The status of the copy: A(available),U(unavailable),X(expired), orD(deleted). | 
| CONTROLFILE_TYPE | VARCHAR2(1) | The type of control file copy: B(normal copy) orS(standby copy). | 
| KEEP | VARCHAR2(3) | Indicates whether this copy has a retention policy different from the value for CONFIGURE RETENTION POLICY. Possible values areYESandNO. | 
| KEEP_UNTIL | DATE | If the KEEP UNTIL TIMEclause of theCOPYcommand was specified, then this column shows the date after which this file becomes obsolete. If the column isNULLandKEEP OPTIONSis notNULL, the file never becomes obsolete. | 
| KEEP_OPTIONS | VARCHAR2(11) | The KEEPoptions specified for this control file copy. Possible values areNOLOGS,BACKUP_LOGS,LOGS, andNULL.NOLOGSindicates a consistent backup made when the database was mounted.BACKUP_LOGSindicates that the backup was made in open mode, so archived log backups must be applied to make it consistent.LOGSindicates a long-term backup made with theLOGSkeyword, which is now deprecated.NULLindicates that this backup has noKEEPoptions and becomes obsolete based on the retention policy. | 
| IS_RECOVERY_DEST_FILE | VARCHAR2(3) | This copy is located in the fast recovery area: YESorNO. | 
| RSR_KEY | NUMBER | Unique key for the row in RC_RMAN_STATUSthat created this backup piece. | 
| SITE_KEY | NUMBER | Primary key of the Data Guard database associated with this file. Each database in a Data Guard environment has a unique SITE_KEYvalue.You can useSITE_KEYin a join with theRC_SITEview to obtain theDB_UNIQUE_NAMEof the database. |