Database Lesson #4 of 8 - Data Modeling and the ER Model 🎥 mysql backup | Channify

Dr. Soper gives a lecture on data modeling and the entity-relationship (ER) model. Topics include the components of ER models, depicting entities, attributes, relationships, and cardinalities in ER models, one-to-one, one-to-many, and many-to-many relationships, strong and weak entities, identifying and non-identifying relationships, supertypes and subtypes, and recursive relationships in data models.