That was going to my answer, too, so I'll elaborate a bit. It depends on the format of the database and the contents as well. If all you store is a single 4.9

That was going to my answer, too, so I'll elaborate a bit. It depends on the format of the database and the contents as well. If all you store is a single 4.9MB image, then there's not much overhead. If you store thousands of short text records, then each one can only have a little data, and will have a lot of overhead.