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

question 168

Multiple Choice

Match each of the following E-R structures with its relational representation.
-Create a relation with primary key 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