Questions
BAIT_V 507 BA2 2025W1 Final exam - Requires Respondus LockDown Browser
Single choice
A foreign key in a relational schema is based on ________ in ERD?
Options
A.Relation
B.Relationship
C.Non-key attribute
D.Entity
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Step-by-Step Analysis
When mapping an ER diagram to a relational schema, a foreign key is used to implement a link between two tables via a relationship between entities.
Option 1: 'Relation' would imply a table itself, but a foreign key is not......Login to view full explanationLog in for full answers
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