The process of normalizing a database is explained, progressing from the First Normal Form (1NF) to the Third Normal Form (3NF). A physical ERD diagram is included, demonstrating relationships (1-to-1 ...

Entity-rich model: These are formal diagrams that represent relationships between entities in a database. IBM explains that data architects use several ER modeling tools to create visual maps that ...

The purpose of a data model or diagram is to map the different components of a problem and how they relate to one another. A typical diagram will start with an overview of the modeled system, ...

Data modeling has always had a push-me/pull-you relationship in the IT world. The idea of complete logical and physical data models, insightful definitions, coherent data flow diagrams, and other ...