In a Relational Database Design,all Relationships Are Expressed by ________

question 7

Multiple Choice

In a relational database design,all relationships are expressed by ________.

• A)creating a primary key
• B)creating a foreign key
• C)creating a supertype
• D)creating a subtype
• E)creating a line between entities

---

Definitions:

Razors and Razor Blades

A business model where a main product is sold at a low price to increase sales of a complementary product, which is where the profit is made.

Demands Correlation

Refers to the relationship between the demands for different goods or services, indicating how changes in one impact the other.

Bundling

Bundling refers to the marketing strategy of selling several products or services together as a single combined unit, often at a discount.

Higher Revenues

An increase in the amount of money received from sales or services, often an objective in businesses aiming to grow or expand.