By specifying the desired timestamp or SCN (System Change Number), you can roll back your database state and retrieve the lost information.
To use Oracle Odyssey for retrieving deleted data, you need to follow a few steps:
Identify the table from which the data was deleted.
Determine the approximate time when the deletion occurred.
Connect to your database using SQL*Plus or any other compatible client tool.
Execute an appropriate flashback query command based on your requirements.
For example, if you want to retrieve all rows from a table named “employees” that were present at 10:00 AM on January 1st, 2022, you would execute the following command:
FLASHBACK TABLE employees TO TIMESTAMP (‘2022-01-01 10:00:00’);
This command will revert your table’s state back in time and restore all records as they existed at that specific timestamp.
It’s important to note that while Oracle Odyssey provides an efficient way to recover deleted data, it has some limitations.
The feature relies on the availability of undo data, which is used to roll back changes made to the database. If the undo data is not available or has been overwritten due to subsequent operations, Oracle Odyssey may not be able to retrieve the deleted information.
To mitigate such risks and ensure a higher chance of successful recovery, it’s recommended to regularly backup your Oracle databases using traditional methods like RMAN (Recovery Manager). This will provide an additional layer of protection in case you encounter how to retrieve deleted data in oracle any unforeseen data loss scenarios.
In conclusion, Oracle Odyssey offers a valuable solution for retrieving deleted data from Oracle databases. Its point-in-time recovery capabilities allow users to restore lost records without relying solely on backups.
By following a few simple steps and leveraging flashback query commands, users can efficiently recover theirGallery Gurus: Deleting Many Pictures at Once
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