Intro to Computing Module 7 Quiz #1

What problem does a manual filesystem often encounter due to scattered file systems?

• Flexibility

• Islands of data

• Rapid querying

• High security

Who proposed the Relational Database Model?

• Edgar F. Codd

• Peter Chen

• Herman Goldstine

• Frank Gilbreth

Which database model organizes data in a tree-like structure?

• Relational Database

• Hierarchical Database

• Network Database

• Object-Oriented Database

SQL became the standard query language during which decade?

• 1960s

• 1970s

• 1980s

• 1990s

Which of the following is a disadvantage of the Object-Oriented Database model?

• Easy navigation

• Modular structure

• Lack of standards

• High user orientation

Network Database Model can handle which type of relationship?

• One-to-One

• Many-to-Many

• One-to-Many

• Parent-Child only

What term refers to the smallest unit of information in a hierarchical database?

• Root

• Node

• Segment

• Sibling

Entity-Relationship Diagrams (ERDs) are used primarily for:

• Physical database design

• Conceptual data modeling

• Data manipulation

• Data storage

What is the main advantage of a Relational Database?

• Complex system

• Structural independence

• Fixed navigation path

• Low hardware requirements

Object-Oriented Databases integrate which two main features?

• Tables and relationships

• Objects and classes

• Queries and views

• Nodes and links