Data Modelling Essentials for Relational and Nonrelational Databases
Data Modelling Essentials for Relational and Nonrelational Databases Data modeling helps teams plan how information will live in a database. A good model gives you reliable behavior, fast reads, and safer updates. The same ideas apply to relational and nonrelational databases, but you design around different strengths. Relational modeling basics Relational databases rely on a structured schema. Focus on entities, attributes, and relationships. Use normalization to remove duplicates and ensure data integrity. Define primary keys for each table and foreign keys to show connections. Simple, well-structured models are easier to maintain and scale for many users and requests. ...