Deleting a product permanently.

Using 1.9, what is the best way to delete a Product from the database permanently?

If you delete the product in the Admin it just gets marked "deleted" but stays in Product table.

Is deleting just the row in the Product table enough?
Will that also delete the row in the Product Variant and other tables?

Hmm I hadn't noticed this yet.  I may need to look into it also... I sell almost 100% unique items, so the whole inventory level and reoccurring item theme does me no good.  I was actually looking for a way to make items sold, but keep them listed and searchable for X amount of time (many are antiques).  

Also I keep my images on the file system, so I bet those don't get cleaned up either?  Something I'll need to check!

Good topic :D

I just deleted a row in the Product table (in SQL Server)
and that also deleted the related row in the Product Variant table.