Introduction to Database Management Systems
15 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main task of a modern database system?

  • To develop a conceptual design for the database
  • To define the data elements and relationship for a specified system
  • To manage a large, complex collection of data (correct)
  • To create a high-level data model

    • What is the set of allowed values for each attribute called in a database system?

  • Domain of the attribute (correct)
  • Entity-Relationship diagram
  • Relatively large collection of interrelated data
  • Relational model

    • What is the special value 'null' in a database system used to indicate?

  • The value is relatively large
  • The value is highly valuable
  • The value is required to be atomic
  • The value is 'unknown' (correct)

    • What does ER model stand for in the context of database systems?

    <p>Entity-Relationship model</p> Signup and view all the answers

    What kind of design does ER modeling develop for a database?

    <p>Conceptual design</p> Signup and view all the answers

    In the context of database systems, what is the main purpose of the ER model?

    <p>To develop a conceptual design for the database</p> Signup and view all the answers

    What does the term 'domain' refer to in a database system?

    <p>The set of allowed values for each attribute</p> Signup and view all the answers

    What is the primary challenge posed by the special value 'null' in a database system?

    <p>It causes complications in the definition of many operations</p> Signup and view all the answers

    What is the key characteristic of attribute values in a database system?

    <p>They are required to be atomic; that is, indivisible</p> Signup and view all the answers

    What task does a modern database system primarily perform?

    <p>Manage a large, complex collection of data</p> Signup and view all the answers

    What is the primary purpose of a database system?

    <p>To manage a large, complex collection of data</p> Signup and view all the answers

    In the context of database systems, what does DBMS stand for?

    <p>Database Management System</p> Signup and view all the answers

    What does ER model stand for in the context of database systems?

    <p>Entity-Relationship Model</p> Signup and view all the answers

    What is the key characteristic of attribute values in a database system?

    <p>Set of allowed values for each attribute</p> Signup and view all the answers

    What task does a modern database system primarily perform?

    <p>Managing a large, complex collection of data</p> Signup and view all the answers

    More Like This

    Database Management Systems
    18 questions

    Database Management Systems

    PolishedEuler avatar
    PolishedEuler
    Database Management Systems: File Structures
    10 questions

    Database Management Systems: File Structures

    ChivalrousLarch avatar
    ChivalrousLarch
    Overview of Database Management Systems
    8 questions

    Overview of Database Management Systems

    AdoringTheory569 avatar
    AdoringTheory569
    Database Management Systems Overview
    40 questions

    Database Management Systems Overview

    SlickIndianapolis avatar
    SlickIndianapolis
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser