ER Module to SQL Conversion Quiz

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Questions and Answers

What does ER model stand for?

  • Entity-Relationship (correct)
  • Entity-Reward
  • Entity-Report
  • Entity-Relation

What does the ER model develop for the database?

  • Physical design
  • Front-end interface
  • Conceptual design (correct)
  • User authentication

In ER modeling, how is the database structure portrayed?

  • As a flowchart diagram
  • As an entity-relationship diagram (correct)
  • As a network diagram
  • As a tabular representation

What are the attributes of a student entity in a school database?

<p>id, name, address, age (D)</p> Signup and view all the answers

What is another entity with attributes in the context of a school database?

<p>Address with attributes like city, street name, pin code (D)</p> Signup and view all the answers

What is the purpose of an Entity-Relationship (ER) model?

<p>To define the data elements and relationships for a specified system (D)</p> Signup and view all the answers

What does an Entity-Relationship (ER) diagram portray?

<p>Database structure as a diagram (C)</p> Signup and view all the answers

In the context of a school database, what could be considered as an entity?

<p>Student with attributes like id, name, address, age (A)</p> Signup and view all the answers

What is the primary purpose of converting an Entity-Relationship (ER) diagram into relational tables?

<p>To represent the database structure in a tabular format (A)</p> Signup and view all the answers

What does the Entity-Relationship (ER) model develop for the database?

<p>A conceptual design (A)</p> Signup and view all the answers

What is the primary purpose of the Entity-Relationship (ER) model?

<p>To define high-level data elements and relationships for a specified system (B)</p> Signup and view all the answers

How is the database structure portrayed in Entity-Relationship (ER) modeling?

<p>As a flowchart diagram (A)</p> Signup and view all the answers

In the context of a school database, which entity could have attributes like city, street name, and pin code?

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

What does the conversion of an Entity-Relationship (ER) diagram into relational tables aim to achieve?

<p>To represent the database structure in a different notation (A)</p> Signup and view all the answers

What is the purpose of developing a conceptual design for the database using the Entity-Relationship (ER) model?

<p>To understand and visualize the overall database structure (B)</p> Signup and view all the answers

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