Database Fundamentals Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which database model is the most popular example mentioned in the text?

  • Hierarchical model
  • Network model
  • Relational model (correct)
  • Object-oriented model

What determines the logical structure of a database?

  • Database model (correct)
  • Database instance
  • Database schema
  • Database key

What is an example of the logical structure of a database?

  • Instance
  • Table
  • Schema (correct)
  • Entity-Relationship Model

Which model uses a table-based format?

<p>Relational model (B)</p> Signup and view all the answers

What does ER stand for in the context of database modeling?

<p>Entity-Relationship (D)</p> Signup and view all the answers

In the context of database modeling, what does a database model determine?

<p>The logical structure of a database (A)</p> Signup and view all the answers

What is the purpose of the Entity-Relationship Model in database modeling?

<p>To represent the logical structure of the database (D)</p> Signup and view all the answers

What is the difference between a weak entity set and a strong entity set in the Entity-Relationship Model?

<p>A weak entity set depends on another entity set, while a strong entity set does not (B)</p> Signup and view all the answers

What is the purpose of multiway relationships in the Entity-Relationship Model?

<p>To represent relationships between more than two entity sets (C)</p> Signup and view all the answers

Which database model is mentioned as the most popular example in the text?

<p>Relational model (B)</p> Signup and view all the answers

Which model uses a table-based format?

<p>Relational model (C)</p> Signup and view all the answers

What determines the logical structure of a database?

<p>Database model (C)</p> Signup and view all the answers

Which type of key uniquely identifies an entity set?

<p>Primary key (A)</p> Signup and view all the answers

What is the logical structure of the database referred to as?

<p>Schema (C)</p> Signup and view all the answers

What does the Entity-Relationship model describe?

<p>Attributes and relationships (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser