For data engineering, i think of this as it's any saltwere engineering that you do. So just as the easiest example, we have a production data base running behind some web server,. Any one of you analytics on it? Well, maybe youre using post crasts, not the best analytics data base. And also, you don't actuanly write a query that takes down the data base. You take the data out, you put it into he big queryr snow flake or somewhere else. If scheme is ort, you probably totally change the schemes, because you want to in a relational data base. Eso, youca, you can ask the questions in very