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welcome guys so today we are going to talk about video log files in Oracle database in my earlier videos we have talked about undo data and uh today we are talking about redo data and weamp;#39;ll do log files what are those uh how we manage them and what whatamp;#39;s the use of them okay so same as undo if we have undo for uh data we also can have Redo for that data and all the thing is uh those redo all that redo data is managed in redo log files these files are very um important for database recovery okay so letamp;#39;s start so video log files uh and uh are operating system files used by Oracle to maintain logs of all transactions performed against the database the primary purpose of these log files is to allow or equal to the cover changes made to the database in case of failure like if we if thereamp;#39;s a failure we can get these redo log files and apply those changes to get the correct state of the database for the proper data in this way a Redo for an insert is insert
