Define entity attribute relationship and constraints in erd, Database Management System

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Define entity attribute relationship and constraints in erd

Discussion Post: Database Management

o What is a relational Model?
o Define entity, attribute, relationship, and constraints in an ERD (Entity Relationship Diagram).
o What is a Primary Key?

The response must include a reference list. Using Times New Roman 12 pnt font, double-space, one-inch margins, and APA style of writing and citations.

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