Oracle9i Database Reference
Release 1 (9.0.1)

Part Number A90190-02
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Dynamic Performance (V$) Views, 39 of 211


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 


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