Oracle Flashback Technology
Version 21c

Flashback Technology Scenario Examples Uses Affects Data
Database Truncate table or undesired changes made by DDL or DML Flashback Logs True
Drop Drop Table Recyclebin True
Query Compare current and past data or data from different points-in-time Undo Data / Flashback Archive False
Table Update with the wrong or no WHERE clause Undo Data / Flashback Archive True
Temporal Validity Query rows based upon their valid date range Hidden Table Columns False
Transaction Backout Reverse transaction(s) with/without cascade (DBMS_FLASHBACK) Undo Data / Flashback Archive True
Transaction Query Investigate one or more historical states of data Undo Data / Flashback Archive False
Version Query Compare versions of a row Undo Data / Flashback Archive False

Related Topics
Flashback Archive
Flashback Database
Flashback Drop
Flashback Query
Flashback Table
Flashback Transaction Backout
Flashback Transaction Query
Flashback Version Query
Temporal Validity
What's New In 19c
What's New In 20c-21c

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