In the course of the conceptual stage, most of the people sketch a data product on a whiteboard. This type of sketch resembles the graph product. It consists of “nodes” and edges—a node represents where the data is stored, the sting the relation in between nodes. On a regular basis https://datamodeling42951.bloggip.com/26611106/the-fact-about-data-modeling-that-no-one-is-suggesting