Relational Database Design and Modeling for Software Engineers
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Entities, Attributes, and Relationships
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In the ER (Entity-Relationship) model, entities, attributes, and relationships are the core components used to define the structure of a database. Understanding these concepts is essential for designing a logical and efficient database.

In this lesson, we’ll explore the symbols used in ER models, define entities and entity sets, explain different types of attributes, and introduce relationships between entities. By the end of this lesson, you’ll have a foundational understanding of how these elements work together to form a well-structured data model.

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Table of Contents

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