Too Long; Didn't Read
After some time working as a data scientist in my startup, I came to a point where I needed to ask for external help with your project. Here are the essential highlights that I got during this data project: Help them understand your data and things will go way smoother. Creating an extremely detailed schemas will help you and your contractor fully understand and answer the following questions: what kind of data (data type), what must not be missing (not null), what data links to what (P.R.K., F.K.K.), and How the data flow throughout the system (Core Tables, Join Tables)