Match Each of the Following E-R Structures with Its Relational

question 175

Multiple Choice

Match each of the following E-R structures with its relational representation.
-Create a relation with a composite primary key that includes the primary key of the entity on which this entity depends and nonkey attributes.

• A)regular entity
• B)weak entity
• C)binary or unary 1:1 relationship
• D)binary 1:N relationship
• E)binary or unary M:N relationship or associative entity
• F)binary or unary M:N relationship or associative entity with its own key

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Definitions:

Family

A social unit consisting of parents and their children, often living together and considered as a group.

Purchasing Agreement

A legal document that outlines the terms and conditions under which goods or services are sold from a seller to a buyer.

Delivery Schedule

A timetable for the delivery of goods or services to customers, outlining expected dates and times for receiving the product.

Payment Expectations

Payment expectations refer to the anticipated terms, conditions, and modes of payment that a seller specifies or expects from a buyer for goods or services rendered.