A backup incremental level 1 database plus archivelog is a backup of an Oracle database that consists of a copy of the datafiles and the online redo logs, plus a copy of the archived redo logs. The backup is incremental, which means that it only includes the data that has changed since the last backup.
The purpose of the archivelogs is to store information about all changes made to the database. This information can be used to restore the database …
