1. Database Reference
  2. Dynamic Performance Views
  3. Dynamic Performance (V$) Views: V$ACCESS to V$HVMASTER_INFO
  4. V$BACKUP_DATAFILE_DETAILS

8.92 V$BACKUP_DATAFILE_DETAILS

V$BACKUP_DATAFILE_DETAILS contains information about restorable data files.

It will include all data files backed in the backup set, image copies, and proxy copies.

Column Datatype Description

BTYPE

CHAR(9)

Backup type container. Possible values are: BACKUPSET, IMAGECOPY, PROXYCOPY.

BTYPE_KEY

NUMBER

Unique identifier for the backup type. For BACKUPSET, it is BS_KEY.

SESSION_KEY

NUMBER

Session identifier

SESSION_RECID

NUMBER

Session record ID

SESSION_STAMP

NUMBER

Session stamp

ID1

NUMBER

If BACKUPSET, it contains SET_STAMP.

If IMAGECOPY or PROXYCOPY, it is RECID from the control file.

ID2

NUMBER

If BACKUPSET, it contains SET_COUNT.

If IMAGECOPY or PROXYCOPY, it is STAMP.

FILE#

NUMBER

File number

CREATION_CHANGE#

NUMBER

File creation change SCN

CREATION_TIME

DATE

File creation time

RESETLOGS_CHANGE#

NUMBER

Resetlogs change SCN

RESETLOGS_TIME

DATE

Resetlogs change time

INCREMENTAL_LEVEL

NUMBER

Normal full backups have a NULL value, level 0 incremental backups have a value of 0, and level 1 incremental backups have a value of 1

INCREMENTAL_CHANGE#

NUMBER

Incremental change SCN

CHECKPOINT_CHANGE#

NUMBER

Checkpoint change SCN

CHECKPOINT_TIME

DATE

Checkpoint change time

MARKED_CORRUPT

NUMBER

Number of blocks marked corrupt

FILESIZE

NUMBER

File size, in bytes

COMPRESSION_RATIO

NUMBER

The ratio between the total blocks in the datafile and the blocks that RMAN backed up. This is not the the ratio from the AS COMPRESSED BACKUPSET clause of the BACKUP command.

SPARSE_BACKUP

VARCHAR2(3)

Indicates whether the file is sparse (YES) or not (NO)

TS#

NUMBER

Tablespace number

TSNAME

VARCHAR2(30)

Tablespace name

FILESIZE_DISPLAY

VARCHAR2(4000)

Same value as the FILESIZE column, but converted to a user-displayable format, for example nM, nG, nT, nP, and so on

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data