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
