IM Reviewer

A brief precise unambiguous description of policies, procedures, and processes within an organization.

• Database Design

• ERD

• Business Rules

• Model

An organized collection of data held in a computer.

• Database

• File System

• ERD

• Record

Considered to be the characteristics of an entity.

• Entity

• Relationship

• Properties

• Attributes

Represents the conceptual database as viewed by the end users.

• Entitry

• Relationship

• Diagram

• ERD

Indicates the number of entities or participants associated with a relationship.

• Cardinality

• Relationship Degree

• Relationship

• Chen's Notation

Describes the association among entities

• Entity

• Relationship

• Diagram

• ERD

Represents data structures and their characteristics, relations, constraints, transformations and other constructs with the purpose of supporting a specific problem domain.

• model

• data model

• database design

• erd

An abstraction of a more complex real-world object or event.

• model

• data model

• database design

• ERD

Expresses the minimum and maximum number of entity occurrences associated with one occurrence of the related entity.

• cardinality

• constraints

• relationship degree

• atomicity

An attribute whose value is calculated from other attributes.

• calculated attribute

• single-valued attribute

• multi-valued attribute

• derived