 In Oracle Data Guard configurations, standby redo logs resemble their equivalent online redo logs, but serve to store redo data transmitted from a different database.Given the verbosity of the logging, Oracle Corporation provides methods for archiving redo logs (archive-logs), and this in turn can feed into data-backup scenarios and standby databases.The existence of a detailed series of individually logged transactions and actions provides the basis of several data-management enhancements such as Oracle Flashback, log-mining and point-in-time recovery.