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V$BACKUP_SET displays information about backup sets from the control file. A backup set record is inserted after the backup set is successfully completed.
Column | Datatype | Description |
RECID | NUMBER | Backup set record ID |
STAMP | NUMBER | Backup set record stamp |
SET_STAMP | NUMBER | Backup set stamp. The backup set stamp and count uniquely identify the backup set. Primary key for the V$BACKUP_SET table, and the foreign key for the following tables: V$BACKUP_PIECE, V$BACKUP_DATAFILE, V$BACKUP_REDOLOG, V$BACKUP_CORRUPTION. |
SET_COUNT | NUMBER | Backup set count. The backup set count is incremented by one every time a new backup set is started (if the backup set is never completed the number is "lost"). If the control file is re-created then the count is reset to 1. Therefore the count must be used with the stamp to uniquely identify a backup set. Primary key for the V$BACKUP_SET table, and the foreign key for the following tables: V$BACKUP_PIECE, V$BACKUP_DATAFILE, V$BACKUP_REDOLOG, V$BACKUP_CORRUPTION |
BACKUP_TYPE | VARCHAR2(1) | Type of files that are in this backup. If the backup contains archived redo logs, the value is L. If this is a datafile full backup, the value is D. If this is an incremental backup, the value is I. |
CONTROLFILE_INCLUDED | VARCHAR2(3) | Set to YES if there is a control file included in this backup set, otherwise set to NO |
INCREMENTAL_LEVEL | NUMBER | Location where this backup set fits into the database's backup strategy. Set to zero for full datafile backups, nonzero for incremental datafile backups, and NULL for archivelog backups. |
PIECES | NUMBER | Number of distinct backup pieces in the backup set |
START_TIME | DATE | Starting time |
COMPLETION_TIME | DATE | Time that this backup set completed |
ELAPSED_SECONDS | NUMBER | The number of elapsed seconds |
BLOCK_SIZE | NUMBER | Block size of the backup set |
INPUT_FILE_SCAN_ONLY | VARCHAR2(3) | YES indicates no actual backup is performed, but the datafiles are read. NO indicates a normal backup is performed. |
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 BACKUP_LOGS - An archive log backup exists to support this backup set |
MULTI_SECTION | VARCHAR2(3) | Indicates whether or not this backup set is a multi-section backup. Valid values are YES and NO. A multi-section backup is a backup in which multiple backup pieces are produced independently in parallel by multiple channels. |
Note:
1. The corresponding RMAN catalog view is RC_BACKUP_SET.
Oracle data dictionary views
Last updated: 2009-12-15 Tuesday |
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