Overview of Database Management Systems
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Overview of Database Management Systems

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Questions and Answers

What is a database?

  • A random collection of data
  • A software application for data manipulation
  • A disorganized storage unit for information
  • A structured collection of data for efficient retrieval and management (correct)

    • What role does a database play in computer systems?

  • Enabling efficient storage and management of data (correct)
  • Performing calculations in applications
  • Storing only multimedia files
  • Providing direct access to the internet

    • What is the main function of a Database Management System?

  • Design websites
  • Run complex multimedia files
  • Control access to stored data
  • Create and organize databases (correct)

    • How does a DBMS serve as an interface between the database and end-users?

    <p>By facilitating interaction and controlling access to data</p> Signup and view all the answers

    What does organizing data into tables in a database allow for?

    <p>Defining relationships between data elements</p> Signup and view all the answers

    What is one of the key reasons why DBMS is crucial?

    <p>Safeguarding sensitive information</p> Signup and view all the answers

    Which characteristic of DBMS allows changes in the database structure without affecting applications using the data?

    <p>Data independence</p> Signup and view all the answers

    What does the network model of databases represent?

    <p>Data as nodes connected by edges in a graph</p> Signup and view all the answers

    How does DBMS help in efficient data retrieval?

    <p>By allowing users to retrieve specific information using queries</p> Signup and view all the answers

    What feature of DBMS helps in ensuring the consistency of the database by managing transactions?

    <p>Transaction Management</p> Signup and view all the answers

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