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Differences between UNDO and REDO

To clear this question we have this table:  UNDO REDO Record of How to undo a change How to reproduce a change Used for Rollback, Read-Consistency Rolling forward DB Changes Stored in Undo segments Redo log files Protect Against Inconsistent

Posted in Oracle FAQ, Questions, Redo Logs, Undo

What is the difference between Rollback and Undo Tablespace? OTN Forum By user user503050

There might be confusion while undo and rollback segment terms are used interchangeably in db world. It is due to the compatibility issue of oracle. Undo Oracle Database must have a method of maintaining information that is used to roll

Posted in Oracle FAQ, Questions, Rollback, Undo