Chapter 8 - Quiz

Attributes

A domain is the set of all data types and ranges of values that ________ may assume. Entities Instances Attributes Events

Abstract

A(n) ________ class is a class that has no direct instances but whose descendants may have direct instances. Abstract Concrete Associative Object

Project

During requirements structuring, a ________ model represents conceptual data requirements for a particular system Project Data Relationship Business

Four

How many types of business rules are there in conceptual data modeling? One Two Three Four

Logical

The term ________ data model means a conceptual data model with some additional properties associated with the most popular type of database technology like relational databases. Physical Universal Logical Industry-specific

Relationship

A(n) ________ is an association between the instances of one or more entity types that is of interest to the organization. Relationship Identifier Repeating group Attribute

Event

A(n) ________ is the data manipulation operation (insert, delete, or update) that initiates the operation. Event User rule Condition Action

Referential integrity constraints

Which business rule specifies rules concerning the relationships between entity types? Triggering operations Referential integrity constraints Entity integrity Domains

Entity integrity

Which business rule specifies that each instance of an entity type must have a unique identifier that is not null? Triggering operations Referential integrity Entity integrity Domains

Industry-specific

________ data models are generic data models that are designed to be used by organizations within specific industries. Universal Conceptual Industry-specific Logical