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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?

Inflexibility in processing Signup and view all the answers

What is a consequence of processing inflexibility?

Inefficient data processing Signup and view all the answers

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

Data redundancy Signup and view all the answers

Which of the following is a consequence of data redundancy?

Increased data inconsistency Signup and view all the answers

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

Data redundancy refers to duplicate data, while data inconsistency refers to different values Signup and view all the answers

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

Data inconsistency Signup and view all the answers

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

Reducing data redundancy Signup and view all the answers

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

Using data normalization techniques Signup and view all the answers

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

Data redundancy increases Signup and view all the answers

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

To ensure accurate data analysis Signup and view all the answers

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

Inaccurate data analysis Signup and view all the answers

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

To eliminate data redundancy Signup and view all the answers