When Representing a 1:1 Relationship in a Relational Database Design,________

question 22

Multiple Choice

When representing a 1:1 relationship in a relational database design,________.

• A)the key of each table must be placed as foreign keys into the other
• B)the key of either table may be placed as a foreign key into the other
• C)the key of both tables must be the same
• D)the intersection table gets the key from both relations
• E)B and C

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