Database Lesson #4 of 8 - Data Modeling and the ER Model

Dr. Daniel Soper
Dr. Daniel Soper
370.8 هزار بار بازدید - 11 سال پیش - Dr. Soper gives a lecture
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.
11 سال پیش در تاریخ 1392/03/29 منتشر شده است.
370,835 بـار بازدید شده
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