I think it should also be pointed out that a lot of DB's have a lot of redundant data due to indexing. When your DB is small, an index seems negligible, but onc

I think it should also be pointed out that a lot of DB's have a lot of redundant data due to indexing. When your DB is small, an index seems negligible, but once you get into millions or even billions of rows, you see first hand just how much space they can take up.