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Posts: 4396
3 years ago
For a unary one-to-one relationship between two entities A and B, the relationship is represented by:
A) adding the primary key of A as a foreign key of B
B) adding the primary key of B as a foreign key of A
C) combining the two entities into one relation
D) either A or B
Textbook 
Modern Systems Analysis and Design, 4e
Edition: 4th
Authors:
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Majoring in Economics, minoring in business
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3 years ago
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3 years ago
i didn't expect someone to answer, this website is awesome
Majoring in Economics, minoring in business
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3 years ago
Ping me if you need anything else
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