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

question 10

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

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Definitions:

Comparative Advantage

is the ability of an entity to produce a good or service at a lower opportunity cost than others, leading to trade benefits.

Opportunity Cost

Overlooking potential advantages by settling on a single alternative.

Sandwiches

A food item typically consisting of two pieces of bread with meat, cheese, vegetables, or other fillings between them.

Production Possibilities Curve

A graphical representation showing the maximum number of goods or services that can be produced using limited resources.