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Oracle9i Database Reference
Release 2 (9.2)

Part Number A96536-02
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V$DATAFILE_COPY

This view displays datafile copy information from the control file.

Column Datatype Description

RECID

NUMBER

Datafile copy record ID

STAMP

NUMBER

Datafile copy record stamp

NAME

VARCHAR2(513)

Filename of the datafile copy. The maximum length of the name is OS dependent.

TAG

VARCHAR2(32)

Datafile copy tag

FILE#

NUMBER

Absolute datafile number

RFILE#

NUMBER

Tablespace relative datafile number

CREATION_CHANGE#

NUMBER

Datafile creation change#

CREATION_TIME

DATE

Datafile creation timestamp

RESETLOGS_CHANGE#

NUMBER

Resetlogs change# of the datafile when the copy was made

RESETLOGS_TIME

DATE

Resetlogs timestamp of the datafile when the copy was made

INCREMENTAL_LEVEL

NUMBER

The incremental level

CHECKPOINT_CHANGE#

NUMBER

Checkpoint change# of the datafile when the copy was made

CHECKPOINT_TIME

DATE

Checkpoint timestamp of the datafile when the copy was made

ABSOLUTE_FUZZY_CHANGE#

NUMBER

Highest change seen when the datafile was copied

RECOVERY_FUZZY_CHANGE#

NUMBER

Highest change written to the file by media recovery

RECOVERY_FUZZY_TIME

DATE

Timestamp of the highest change written to the file by media recovery

ONLINE_FUZZY

VARCHAR2(3)

(YES|NO) If set to YES, this is a copy taken using an operating system utility after a crash or offline immediate (or an invalid copy taken while datafile was online and the database 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. Recovery will need to apply all redo up to the end backup marker to make this copy consistent.

MARKED_CORRUPT

NUMBER

Number of blocks marked corrupt by this copy operation. That is, blocks that were not marked corrupted in the source datafile, but were detected and marked as corrupted during the copy operation.

MEDIA_CORRUPT

NUMBER

Total number of media corrupt blocks. For example, blocks with checksum errors are marked media corrupt.

LOGICALLY_CORRUPT

NUMBER

Total number of logically corrupt blocks. For example, applying redo for unrecoverable operations will mark affected blocks logically corrupt.

BLOCKS

NUMBER

Size of the datafile copy in blocks (also the size of the datafile when the copy was made)

BLOCK_SIZE

NUMBER

Block size of the datafile

OLDEST_OFFLINE_RANGE

NUMBER

The RECID of the oldest offline range record in this control file copy; 0 for datafile copies

DELETED

VARCHAR2(3)

(YES|NO) If set to YES the datafile copy has been deleted or overwritten

STATUS

VARCHAR2(1)

Identifies the status of this datafile copy. Possible values are:

A - Available

D - Deleted

U - Unavailable

X - Expired

COMPLETION_TIME

DATE

Time when the copy was completed

CONTROLFILE_TYPE

VARCHAR2(1)

B indicates normal copies

S indicates standby copies

KEEP

VARCHAR2(3)

(YES/NO) Indicates whether or not this backup set has a retention policy that is different than the value for the configure retention policy

KEEP_UNTIL

DATE

If KEEP_UNTIL_TIME is specified, this is the date after which the backup becomes obsolete. If this column is null, then the backup never expires.

KEEP_OPTIONS

VARCHAR2(10)

Lists additional retention options for this backup set. Possible values are:

LOGS - The logs need to recover this backup are kept

NOLOGS - The logs needed to recover this backup will not be kept