INFO 232 / COMP 351 - CH 2

________ Relatively simple representations of complex real-world data structures

• Graphs
• Tables
• Data models

• Charts

____________ an abstraction of a real-world object or event

• none

• Database

• DBMS

• Model

_______ anything about which data are to be collected and stored

• Constraint

• Relationship

• Attribute

• Entity

_______ characteristic of an entity

• Constraint

• Relationship

• Attribute

• Entity

_______ describes an association among entities

• Constraint

• Relationship

• Attribute

• Entity

_______ restriction placed on the data

• Constraint

• Relationship

• Attribute

• Entity

what is the Relationship between entity ?

• all mentioned

• One-to-one (1:1) relationship

• Many-to-many

  (M:N or M:M) relationship

• One-to-many (1:M) relationship

Descriptions of policies, procedures, or principles within a specific organization

consider to be _______________

• Business Rules

• Data Model

• Evolution of Data Models

• Hierarchical Model

Apply to any organization that stores and uses data to generate information

consider to be _______________

• Business Rules

• Data Model

• Evolution of Data Models

• Hierarchical Model

Description of operations to create/enforce actions within an organization’s environment

consider to be _______________

• Business Rules

• Data Model

• Evolution of Data Models

• Hierarchical Model