3 Levels

Data modeling is a technique to document a software system using entity relationship diagrams (ER Diagram) which is a representation of the data structures in a table for a company’s database. It is a very powerful expression of the company’s business requirements. Data models are used for many purposes, from high-level conceptual models, logical to …

Data lives at the heart of every modern system, but how do we organize and understand it? That’s where data models come in, blueprints for…

Learn about the 3 stages of a Data Model Design- Conceptual Data Model- Logical Data Model- Physical Data Model**This is a re-upload of my previous video abo...