Software Engineering Operations and Maintenance Quiz
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Questions and Answers

What is the main focus of Chapter 13 in the text?

  • Data Warehouses (correct)
  • Operational Data Management
  • Distributed Databases
  • Business Analysis Techniques

    • What are Star Schemas mainly composed of?

  • Decision Support Data and Business Intelligence
  • Facts and Dimensions (correct)
  • Data Marts and OLAP
  • Attributes and Hierarchies

    • What is the primary purpose of a Data Mart?

  • To store operational data
  • To manage data warehouses
  • To support decision-making processes (correct)
  • To improve online analytical processing

    • Which term describes the detailed data used in decision support systems?

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

    In the context of Business Intelligence, what is OLAP an abbreviation for?

    <p>Online Analytical Processing</p> Signup and view all the answers

    According to Chapter 13, what is a key characteristic of Multidimensional OLAP compared to Relational OLAP?

    <p>More complex data structures</p> Signup and view all the answers

    What is the purpose of the Transaction Log in database management systems?

    <p>To track changes made to the database for recovery and rollback operations</p> Signup and view all the answers

    In database design, what does Two-Phase Locking ensure?

    <p>Serializability of transactions to avoid deadlocks</p> Signup and view all the answers

    Which method is commonly used for Database Recovery Management?

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

    What is the primary function of Database Query Optimization Modes?

    <p>To enhance query processing efficiency</p> Signup and view all the answers

    Which aspect of SQL execution phase in query processing can lead to bottlenecks?

    <p>SQL Fetching Phase</p> Signup and view all the answers

    What is the main role of Hints in affecting Optimizer Choices in a database management system?

    <p>To manipulate the query execution plan chosen by the optimizer</p> Signup and view all the answers

    What is the purpose of SQL Performance Tuning?

    <p>To make the SQL code run faster and more efficiently</p> Signup and view all the answers

    Which statement best describes the role of DBMS Performance Tuning?

    <p>Optimizing the performance of database management systems</p> Signup and view all the answers

    What is the significance of Index Selectivity in database optimization?

    <p>It helps in efficient retrieval of data by optimizing indexes</p> Signup and view all the answers

    In Distributed Database Management Systems, what does Distribution Transparency refer to?

    <p>Hiding the distribution details from users and applications</p> Signup and view all the answers

    What is the purpose of Data Fragmentation in Distributed Database Design?

    <p>Dividing data into smaller fragments for distribution across multiple sites</p> Signup and view all the answers

    Which feature is related to Transaction Transparency in Distributed Databases?

    <p>Ensuring consistency and reliability of transactions across multiple sites</p> Signup and view all the answers

    What is the purpose of the editorial review mentioned in the text?

    <p>To verify that suppressed content does not significantly impact learning</p> Signup and view all the answers

    Why does the publisher reserve the right to remove content from the title?

    <p>Due to electronic rights restrictions</p> Signup and view all the answers

    What information can be found on www.cengage.com/highered?

    <p>Pricing, previous editions, changes to current editions, and alternate formats</p> Signup and view all the answers

    Why may some third party content be suppressed in the eBook?

    <p>Due to electronic rights restrictions</p> Signup and view all the answers

    What is NOT allowed with the eBook content according to the text?

    <p>Sharing with a friend</p> Signup and view all the answers

    What does Cengage Learning reserve the right to do regarding content removal?

    <p>Remove content if rights restrictions require it</p> Signup and view all the answers

    What is the estimated number of searches Google responds to per day?

    <p>Around 91 million searches</p> Signup and view all the answers

    In what timeframe are new data added to the telecommunication systems, like Sprint and AT&T, at speeds up to 70,000 calls per second?

    <p>Every second</p> Signup and view all the answers

    What are databases, as per the text?

    <p>Specialized structures for storing and retrieving data quickly</p> Signup and view all the answers

    Which feature is highlighted as crucial for telecommunication companies like Sprint and AT&T when managing immense collections of data?

    <p>Data retrieval speed</p> Signup and view all the answers

    Why do modern business systems heavily depend on databases?

    <p>To store, manage, and retrieve data rapidly</p> Signup and view all the answers

    What is a notable characteristic of Google's search results mentioned in the text?

    <p>Search results are available almost instantly</p> Signup and view all the answers

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