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Database Systems Management
·
Module 5
Entity-Relationship Diagram (ERD) Fundamentals
1
ER Diagram Symbols: Entities, Attributes, and Relationships
Identify the standard symbols used in ER diagrams for entities, attributes, and relationships.
2
Designing 1:M ERDs
Draw an ERD for a simple scenario involving two entities with a 1:M relationship.
3
Modeling 1:1 Relationships in ERDs
Draw an ERD for a scenario involving a 1:1 relationship.
4
Mastering ERD Keys: Primary & Foreign
Correctly place primary and foreign key indicators on an ERD.
Previous module
Relationship Analysis and Cardinality
Next module
Advanced ERD: Composite Entities