Block of data after the deletion of data

Hi, if I deleted a line in a particular table then what table of meta in oracle data records that the resulting bytes deducted.

I checked in this table for perticular table before deletion and after the deletion, but there is no difference in the number... DBA_SEGMENTS

Edited by: 883279 28 January 2013 04:56

883279 wrote:
So do you mean to say that after a commit is processed blocks get out? and is it true that there is no perticular way to get the exact amout deleted?

The block will be marked as free, but it will be there. The size of the table will be the same. Unless you rebuild the table that will reset the HWM (I would not say that).

Because my need real is that there is only one module of the application that processes user data management.
In the application, there is an option to remove the user from frontend.
But no one knows who are all the tables, it's deletion.
I so got an idea for reverse engineering user and learn after the removal of the front end what are all the tables that makes the difference.
So that I can concentrate on the tables in backend with the relationship.

This is an incorrect way. I suggest you get the details of the application front end.

Tags: Database

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