10G Oracle Flashback Transaction Query - Introduction and usage
(Doc ID 317499.1)
Last updated on NOVEMBER 11, 2019
Applies to:Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database - Enterprise Edition - Version 10.1.0.2 and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.
***Checked for relevance on 06-Feb-2013***
NOTE: In the images and/or the document content below, the user information and environment data used represents fictitious data from the Oracle sample schema(s), Public Documentation delivered with an Oracle database product or other training material. Any similarity to actual environments, actual persons, living or dead, is purely coincidental and not intended in any manner.
For the purposes of this document, the following fictitious environment is used as an example to describe the procedure:
Table Names: EMP, EMPLOYEE
This bulletin introduces you to new 10g feature : Oracle Flashback Transaction Query
This feature lets you view changes made by a single transaction, or by all the transactions during a period of time.
Basically it is "Recovering at the Row Level"
This will help recover the data back into the table that has been accidentally deleted by a user.
This will also help in querying the past state of a table.
Earlier in older versions, where this feature is not available, we needed to restore the backup and then from there extract the information that has been deleted. It was quite cumbersome. But with this feature of "Oracle Flashback Transaction Query" all this will require just a few queries on the same database.
Thus, this feature lets you view changes made by a single transaction, or by all the transactions during a period of time.
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