Database Design Tutorial for Beginners: Let's Build a Streaming Platform (Step-by-Step)

Want to learn how to design a database from scratch? In this hands-on ERD tutorial, we use a video streaming platform (like Netflix) as a real-world case study to learn Entity Relationship Diagrams step-by-step. We break down how to read stakeholder interviews, extract business rules, identify entities and attributes, and map relationships using cardinality and ordinality. Whether you are prepping for a system design interview, studying data engineering, or building a software application, this practical guide makes database modeling simple. 🚀 Foundations discussed in depth : Introduction & Stakeholder Requirements Extracting Business Rules & Constraints Defining Entities and Attributes Demystifying Cardinality & Ordinality Building the Final ERD Live ☕ Support My Work: If you want to support me you can buy me a coffee: https://buymeacoffee.com/flgzgfniyv 🎬 Tools & Resources: Captions generated using: https://primeclip.pro/ 💡 The document : Link : https://sizaa.gumroad.com/l/utlfo If you are expanding into AI Engineering, Data Engineering, LLMs, Vector Databases, AI Agents, MCP, MLOps, or modern cloud architectures, mastering core relational database systems and data modeling is the crucial first step. #database #dataengineering #sql #tech #computerscience #systemdesign Don't forget to LIKE and SUBSCRIBE if this helped you master database design!