Database Concepts Lecture 1 & 2
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Questions and Answers

What is the primary purpose of a database?

  • To store and retrieve data efficiently (correct)
  • To control industrial and manufacturing processes
  • To store and analyze maps and weather data
  • To organize data in a tree structure form

    • Which type of database stores data in a tabular form?

  • Multidimensional database
  • Network database
  • Hierarchical database
  • Relational database (correct)

    • What is the key to organization survival according to the lecture?

  • Storing and analyzing maps
  • Good, timely, relevant information (correct)
  • Efficient data storage and retrieval
  • Storing and analyzing weather data

    • Which application of databases can store and analyze maps, weather data, and satellite images?

    <p>Geographic information systems (GISs)</p> Signup and view all the answers

    What technology is used to extract and analyze useful business information from very large databases to support decision making?

    <p>Data warehouses and online analytical processing (OLAP) systems</p> Signup and view all the answers

    What type of data is the heart of a database and used to produce useful information?

    <p>Row facts</p> Signup and view all the answers

    Which type of database stores data in a tree structure form?

    <p>Hierarchical database</p> Signup and view all the answers

    What technology is used to control industrial and manufacturing processes?

    <p>Real-time and active database technology</p> Signup and view all the answers

    Which application of databases can store pictures, video clips, and sound messages?

    <p>Multimedia databases</p> Signup and view all the answers

    What is the key to decision making according to the lecture?

    <p>Good, timely, relevant information</p> Signup and view all the answers

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