Database Management System Exam
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Questions and Answers

Which of the following is NOT a basic function of a database management system?

  • Data storage
  • Data encryption (correct)
  • Data backup
  • Data retrieval
  • Normalization reduces data redundancy in database design.

    True

    What is an Entity-Relationship Diagram (ERD)?

    A visual representation of the entities in a database and their relationships.

    In the relational model, a collection of related data entries is known as a __________.

    <p>table</p> Signup and view all the answers

    Match the following normalization forms with their definitions:

    <p>1st Normal Form (1NF) = All columns must contain atomic values. 2nd Normal Form (2NF) = All non-key attributes must be fully functionally dependent on the primary key. 3rd Normal Form (3NF) = No transitive dependencies are allowed. Boyce-Codd Normal Form (BCNF) = Every determinant must be a candidate key.</p> Signup and view all the answers

    Study Notes

    Database Management System Exam

    • Exam Structure: 30 questions covering introduction, concepts, data modeling, and normalization. Includes multiple choice, true/false, definitions, and application-based questions.

    Question Types

    • Multiple Choice (10): Assess knowledge of key terms, concepts, and principles.
    • True/False (10): Test understanding of fundamental database principles.
    • Definitions (5): Require accurate and concise definitions of key database terms.
    • Application-Based (5): Assess ability to apply database concepts to real-world scenarios.
    • ERD and Normalization (5): Involve creating entity-relationship diagrams and applying normalization rules to a given scenario.

    Content Outline

    • Introduction: Basic concepts of database management systems (DBMS).
    • Database Concepts & Architecture: Relational database models, data integrity, data manipulation.
    • Data Modeling: Entity-relationship modeling (ERD), attributes, relationships, keys.
    • Normalization: Normalization rules (1NF, 2NF, 3NF), data redundancy, and anomalies.

    Example Questions (Illustrative – not exhaustive)

    • Multiple Choice: What does ACID stand for in database context?
    • True/False: A database schema defines the logical structure of the database.
    • Definition: What is a primary key?
    • Application: Design an ER diagram for a library system.
    • Normalization: Normalize the following table to 3NF (provided table).

    Note to Students

    • Thoroughly review all topics.
    • Understand the different types of questions.
    • Practice applying concepts and principles to real-world examples.

    Exam Instructions and Guidelines

    • Time Allowed: Clearly define time constraints for the exam.
    • Answer Format: Indicate proper format for student answers.
    • Instructions for Application-based Questions: Provide specific guidelines to assist students in solving the different application based questions.

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    Description

    Test your knowledge on the fundamentals of Database Management Systems (DBMS) through this comprehensive exam. The quiz includes various question types, such as multiple choice, true/false, definitions, and application-based questions, covering essential concepts like data modeling and normalization.

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