All of the Following Are True About Storing a One-To-One

question 45

Multiple Choice

All of the following are true about storing a one-to-one binary relationship in a relational database, except _____.

• A) an additional relation must be added to the database
• B) two additional relations must be added to the database
• C) the primary key of one of the relations in placed in the other relation as a foreign key
• D) the two relations involved in the one-to-one relationship can be combined into one relation
• E) a particular value of the primary key of one relation is associated with exactly one value of the primary key of the other relation (or possibly with none)

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