Question

Differentiate between Undo and Redo Button.​

Answer 1

Answer:

Explanation:

The undo function is used to reverse a mistake, such as deleting the wrong word in a sentence. The redo function restores any actions that were previously undone using an undo. ... For example, if you typed a word, and then deleted it using an undo, the redo function restores the word you deleted ("undid").

Answer 2

Answer:

The main difference between undo and redo in Oracle is that undo helps in rollback and maintaining read consistency while redo helps in rolling forward database changes. Undo is a record of a transaction before it is committed. On the other hand, redo is an entry in redo log files that holds a group of change vectors.

The undo function is used to reverse a mistake, such as deleting the wrong word in a sentence. The redo function restores any actions that have been previously undone using an undo.