When implementing a 1:1 relationship, where should you place the foreign key if one side is mandatory

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When implementing a 1:1 relationship, where should you place the foreign key if one side is mandatory and one side is optional? Should the foreign key be mandatory or optional?

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Database Systems Design Implementation and Management

ISBN: 978-1285196145

11th edition

Authors: Carlos Coronel, Steven Morris

Question Posted: Dec 03, 2014 08:54 AM

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When implementing a 1:1 relationship, where should you place the foreign key if one side is mandatory

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Section 541 provides a detailed discussion The texts Table 55 reproduced ...View the full answer

Database Systems Design Implementation and Management

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