Oracle9i Recovery Manager Reference
Release 1 (9.0.1)

Part Number A90136-02
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Recovery Catalog Views, 15 of 26


RC_DATAFILE_COPY

This view lists information about datafile copies on disk. It corresponds to the V$DATAFILE_COPY view.

Column  Datatype  Description 

DB_KEY 

NUMBER 

The primary key for the target database. Use this column to form a join with almost any other catalog view. 

DBINC_KEY 

NUMBER 

The primary key for the incarnation of the target database. Use this column to form a join with RC_DATABASE_INCARNATION

DB_NAME 

VARCHAR2(8) 

The DB_NAME of the database incarnation to which this record belongs. 

CDF_KEY 

NUMBER 

The primary key of the datafile copy in the recovery catalog. If you issue the LIST command while connected to the recovery catalog, this value appears in the KEY column of the output. 

RECID 

NUMBER 

The datafile copy record from V$DATAFILE_COPY. RECID and STAMP form a concatenated primary key that uniquely identifies this record in the target database control file. 

STAMP 

NUMBER 

The datafile copy stamp from V$DATAFILE_COPY. RECID and STAMP form a concatenated primary key that uniquely identifies this record in the target database control file. 

NAME 

VARCHAR2(1024) 

The filename of the datafile copy. 

TAG 

VARCHAR2(32) 

The tag for the datafile copy. 

FILE# 

NUMBER 

The absolute file number for the datafile. 

CREATION_CHANGE# 

NUMBER 

The creation SCN of the datafile. 

RESETLOGS_CHANGE# 

NUMBER 

The SCN of the most recent RESETLOGS when the datafile was created. 

RESETLOGS_TIME 

DATE 

The time stamp of the most recent RESETLOGS in the datafile header. 

INCREMENTAL_LEVEL 

NUMBER 

The incremental level of the copy: 0 or NULL

CHECKPOINT_CHANGE# 

NUMBER 

The SCN of the most recent datafile checkpoint. 

CHECKPOINT_TIME 

DATE 

The time of the most recent datafile checkpoint. 

ABSOLUTE_FUZZY_CHANGE# 

NUMBER 

The highest SCN in any block of the file, if known. Recovery must proceed to at least this SCN for the file to become not fuzzy. 

RECOVERY_FUZZY_CHANGE# 

NUMBER 

The SCN to which recovery must proceed for the file to become not fuzzy. If not NULL, this file must be recovered at least to the specified SCN before the database can be opened with this file. 

RECOVERY_FUZZY_TIME 

DATE 

The time that is associated with the RECOVERY_FUZZY_CHANGE#

ONLINE_FUZZY 

VARCHAR2(3) 

YES/NO. If set to YES, this copy was made after a crash or OFFLINE IMMEDATE (or is a copy that was taken improperly while the database was open). Recovery will need to apply all redo up to the next crash recovery marker to make the file consistent.  

BACKUP_FUZZY 

VARCHAR2(3) 

YES/NO. If set to YES, this is a copy taken using the BEGIN BACKUP/END BACKUP technique. To make this copy consistent, Recovery needs to apply all redo up to the marker that is placed in the redo stream when the ALTER TABLESPACE END BACKUP command is used. 

BLOCKS 

NUMBER 

The number of blocks in the datafile copy (also the size of the datafile when the copy was made). 

BLOCK_SIZE 

NUMBER 

The size of the blocks in bytes. 

COMPLETION_TIME 

 

The time when the copy completed. 

STATUS 

VARCHAR2(1) 

The status of the copy: A (available), U (unavailable), X (expired), or D (deleted). 

KEEP 

VARCHAR2(3) 

Indicates whether this copy has a retention policy different from the value for CONFIGURE RETENTION POLICY. Possible values are YES and NO

KEEP_OPTIONS 

VARCHAR2(10) 

The KEEP options specified for this datafile copy. Options can be LOGS (RMAN keeps the logs needed to recover this backup), NOLOGS (RMAN does not keep the logs needed to recover this backup), or NULL (the backup has no KEEP options and will be made obsolete based on the retention policy). 

KEEP_UNTIL 

DATE 

If the KEEP UNTIL TIME clause of the COPY command was specified, then this column shows the date after which this datafile copy becomes obsolete. If the column is NULL and KEEP OPTIONS is not NULL, the copy never becomes obsolete. 


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