V$BACKUP_NONLOGGED

V$BACKUP_NONLOGGED displays information about nonlogged block ranges in data file backups, recorded in the control file.

Column Datatype Description
RECID NUMBER Nologged backup record ID
STAMP NUMBER Nonlogged backup record stamp
SET_STAMP NUMBER Backup set stamp
SET_COUNT NUMBER Backup set count
PIECE# NUMBER Backup piece that contains the range of nonlogged blocks
FILE# NUMBER Absolute file number of the data file that contains this range of nonlogged blocks
BLOCK# NUMBER Block number of the first nonlogged block in the range of nologged blocks
BLOCKS NUMBER Number of nonlogged blocks found starting with BLOCK#
NONLOGGED_CHANGE# NUMBER The smallest SCN on which any block in this block range became nonlogged. NULL if unknown.
NONLOGGED_TIME VARCHAR2 The time that corresponds to NONLOGGED_CHANGE#. NULL if unknown.
RESETLOGS_CHANGE# VARCHAR2 The resetlogs SCN of the incarnation on which this block range was first marked as nonlogged. NULL if unknown.
RESETLOGS_TIME VARCHAR2 The resetlogs time of the incarnation on which this block range was first marked as nologged. NULL if unknown.
OBJECT# VARCHAR2 The object ID this range belongs to. If this field is NULL, the object number is unknown.
REASON CHAR(7) The reason why this block range appears in this list, for example, primary file offline, could not talk to primary, non-standby recovery, and so on. For Oracle Database 12c and later releases, it is always UNKNOWN.
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