> You can purge these tables periodically by selecting rows on a date-
> range for WasDeleted and permanently deleting them. If needed, they
> can be copied to history tables first. From a housekeeping POV, it's
> a good idea to do these purges just before a backup. As long as you
> remember to commit the work, the backup will clear out the garbage
> left behind by the deletions.

What is the garbage that is left behind after deletion? Is is possible
to recovery anything from this garbage (incase a forensic accountant
wants to recover any data after a deletion)?

Thanks