V$BACKUP_SPFILE

V$BACKUP_SPFILE displays information about server parameter files in backup sets from the control file.

Column	Datatype	Description
`RECID`	`NUMBER`	Backup SPFILE record ID
`STAMP`	`NUMBER`	Backup SPFILE record stamp
`SET_STAMP`	`NUMBER`	Backup set stamp (of the set which contains this SPFILE backup)
`SET_COUNT`	`NUMBER`	Backup set count (of the set which contains this SPFILE backup)
`MODIFICATION_TIME`	`DATE`	Time when the SPFILE was last modified (this also includes creation time)
`BYTES`	`NUMBER`	Size of the SPFILE (in bytes)
`COMPLETION_TIME`	`DATE`	Time when the backup of the SPFILE completed
`DB_UNIQUE_NAME`	`VARCHAR2(30)`	Unique database name
`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