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Jan-Apr 2018 Database Management System (DBMS) Overview
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Jan-Apr 2018 Database Management System (DBMS) Overview

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Questions and Answers

Which of the following is a task of the storage manager in a database system?

  • Optimizing database queries for efficient execution
  • Managing concurrent transactions and ensuring data integrity
  • Parsing and translating database queries
  • Interacting with the operating system's file manager (correct)
  • What is the primary concern during query processing in a database system?

  • Parsing the query syntax and translating it into an executable form
  • Ensuring the query adheres to the database's integrity constraints
  • Evaluating the query in the most efficient manner possible (correct)
  • Managing concurrent access to data during query execution
  • Which of the following is a concern addressed by the transaction management component in a database system?

  • Indexing and hashing data for efficient retrieval
  • Ensuring data integrity in the event of system failures (correct)
  • Optimizing queries for efficient execution
  • Parsing and translating database queries
  • In a university database application, which component would be responsible for managing student records, course enrollments, and grade information?

    <p>The application-specific database logic</p> Signup and view all the answers

    Which component of a database system is responsible for estimating the cost of executing different query plans?

    <p>The query optimizer</p> Signup and view all the answers

    In an online retail database application, which component would handle tasks such as managing product catalogs, customer orders, and inventory levels?

    <p>The application-specific database logic</p> Signup and view all the answers

    Which of the following is a concern addressed by the storage manager in a database system used by an airline?

    <p>Efficient storage and retrieval of flight and passenger data</p> Signup and view all the answers

    In a sales database application, which component would be responsible for managing customer data, order processing, and inventory tracking?

    <p>The application-specific database logic</p> Signup and view all the answers

    Which component of a database system is responsible for ensuring data integrity when multiple users are concurrently updating the same data?

    <p>The transaction manager</p> Signup and view all the answers

    In a banking database application, which component would handle tasks such as managing customer accounts, transactions, and financial records?

    <p>The application-specific database logic</p> Signup and view all the answers

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