What three data anomalies are likely to be the result of data redundancy? Explain each anomaly.
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Solved in 3 steps
- What factors contribute to the unreliability of the data? Give a quick explanation of each.What are the three instances of data abnormalities that arise as a consequence of data redundancy? What strategies can be employed to eliminate these idiosyncrasies?What are the three data abnormalities that are caused by data redundancy? How do we get rid of these peculiarities?
- What does the term data independence mean, and why is it an important goal?How can data dictionaries be employed to identify and rectify data anomalies?What exactly is an anomaly, and how would you define it? Were there really three outliers in the data? Analyze the problems and provide a solution to the resulting irregularities?