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IM101 Database Systems: Week 2 Review

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Questions and Answers

What are the five major parts of a Database System environment?

Hardware, software, people, procedures, and data (correct)

Hardware, software, networking, procedures, data models

Data models, hardware, software, procedures, people

Data structures, software, database management, people, procedures

What is an 'Entity' in the context of data models?

A person, place, thing, or event about which data will be collected and stored (correct)

A type of database management system

A way to describe data types

A characteristic of an entity

Which type of relationship states that one entity instance is associated with many instances of the related entity?

Zero-to-One Relationship

Many-to-Many Relationship

One-to-Many Relationship (correct)

One-to-One Relationship

What do Representational or Logical Data Models provide?

Concepts that are close to the way many users perceive data (B) Signup and view all the answers

What do properly written business rules define or constrain within an organization?

Entities, attributes, relationships, and constraints (A) Signup and view all the answers

What are the four stages of processing in an information system?

Input, Transaction, Data Processing, Output (D) Signup and view all the answers

Which term is used to describe data that describes the properties and context of user data?

Metadata (C) Signup and view all the answers

What are some examples of unstructured data as mentioned in the text?

Images and videos (A) Signup and view all the answers

Which component is NOT typically considered a part of an information system?

Data Models (C) Signup and view all the answers

What is the purpose of Metadata in the context of user data?

Describe properties and context of user data (C) Signup and view all the answers

What type of Information System component are 'People' and 'Procedures' classified as?

Human components (D) Signup and view all the answers