Database Fundamentals Quiz

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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?

Relational model Signup and view all the answers

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

Entity-Relationship Signup and view all the answers

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

The logical structure of a database Signup and view all the answers

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

To represent the logical structure of the database 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?

A weak entity set depends on another entity set, while a strong entity set does not Signup and view all the answers

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

To represent relationships between more than two entity sets Signup and view all the answers

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

Relational model Signup and view all the answers

Which model uses a table-based format?

Relational model Signup and view all the answers

What determines the logical structure of a database?

Database model Signup and view all the answers

Which type of key uniquely identifies an entity set?

Primary key Signup and view all the answers

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

Schema Signup and view all the answers

What does the Entity-Relationship model describe?

Attributes and relationships Signup and view all the answers

Database Fundamentals Quiz

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Questions and Answers

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

What determines the logical structure of a database?

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

Which model uses a table-based format?

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

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

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

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

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

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

Which model uses a table-based format?

What determines the logical structure of a database?

Which type of key uniquely identifies an entity set?

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

What does the Entity-Relationship model describe?

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