Oracle creates restore points before sensitive operations, and oracle creates and restores

Source: Internet
Author: User

Oracle creates restore points before sensitive operations, and oracle creates and restores

We all know that there is a snapshot taking function in the vmwarevm. We can save the status of the system at this time. When an unexpected event occurs on one side, we can also restore the system. Similar functions are also available in oracle.
First, create a student table:

Insert a data entry to the student table:

Query data:

The data is displayed normally and there is no problem.
Now I want to delete this data item. Create a restore point before deleting it:

After deletion, query again, and the data is gone:

Then I restored the Restore point to the previous point and then queried the data:

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