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Database Systems Management
·
Module 4
Relationship Analysis and Cardinality
1
Understanding Database Relationships
Define what a relationship is between entities in a database context.
2
Modeling Business Entities
Identify relationships between entities from a business scenario description.
3
Understanding Database Relationships
Distinguish between one-to-one (1:1), one-to-many (1:M), and many-to-many (M:N) relationships.
4
Cardinality and Participation in Relationships
Determine the cardinality and participation (mandatory vs. optional) of a relationship from a given business rule.
Previous module
Keys and Relationships
Next module
Entity-Relationship Diagram (ERD) Fundamentals