Quiz one

Question 1

The common types of entities are:

Answer 1

A) Strong entities
B) Weak entities
C) Associative entities

Question 2

Customers, cars, and parts are examples of?

Answer 2

Entities

Question 3

An entity type whose existence depends on another entity type is called a ________ entity?

Answer 3

Weak

Question 4

A property or characteristic of an entity type that is of interest to the organization is called a(n):

Answer 4

Attribute

Question 5

An attribute that can be broken down into smaller parts is called a(n) ________ attribute

Answer 5

composite

Question 6

The total quiz points for a student for an entire semester is a(n) ________ attribute

Answer 6

derived

Question 7

An entity that associates the instances of one or more entity types and contains attributes specific to the relationships is called a(n):

Answer 7

associative entity

Question 8

The number of entity types that participate in a relationship is called the:

Answer 8

degree

Question 9

A(n) ________ is the relationship between a weak entity type and its owner

Answer 9

identifying relationship

Question 10

A student can attend five classes, each with a different professor. Each professor has 30 students. The relationship of students to professors is a ________ relationship

Answer 10

many to many

Question 11

unary relationship

Answer 11

??

Question 12

A ________ specifies the number of instances of one entity that can be associated with each instance of another entity

Answer 12

Cardinality constraint