Database System Design Issues
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Questions and Answers

What is a consequence of data redundancy?

  • Wasted storage resources (correct)
  • Increased storage efficiency
  • Improved data processing
  • Enhanced data accuracy

What problem can arise from having subsets of the master file?

  • Data redundancy and inconsistency (correct)
  • Improved processing speed
  • Enhanced data security
  • Reduced storage requirements

Why is it problematic to have subsets of the master file?

  • It leads to data redundancy and inconsistency (correct)
  • It reduces data inconsistency
  • It improves data security
  • It enhances data processing flexibility

What is a result of data inconsistency?

<p>Inflexibility in processing (D)</p> Signup and view all the answers

What is a consequence of processing inflexibility?

<p>Inefficient data processing (A)</p> Signup and view all the answers

What is the term used to describe the duplication of data in a system?

<p>Data redundancy (B)</p> Signup and view all the answers

Which of the following is a consequence of data redundancy?

<p>Increased data inconsistency (D)</p> Signup and view all the answers

What is the primary difference between data redundancy and data inconsistency?

<p>Data redundancy refers to duplicate data, while data inconsistency refers to different values (C)</p> Signup and view all the answers

What occurs when the same data has different values in different locations?

<p>Data inconsistency (D)</p> Signup and view all the answers

What is the primary benefit of enforcing consistency among different sets of data?

<p>Reducing data redundancy (A)</p> Signup and view all the answers

Which of the following is a potential solution to data redundancy and inconsistency?

<p>Using data normalization techniques (D)</p> Signup and view all the answers

What can occur when data from separate information systems is inconsistent?

<p>Data redundancy increases (A)</p> Signup and view all the answers

Why is it important to ensure consistency among different data sets?

<p>To ensure accurate data analysis (C)</p> Signup and view all the answers

What can be a consequence of inconsistent data from separate information systems?

<p>Inaccurate data analysis (B)</p> Signup and view all the answers

What is the primary goal of enforcing consistency among different sets of data?

<p>To eliminate data redundancy (C)</p> Signup and view all the answers

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