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Database_Design_Wk1_Chapter1_Exercise_Q&A
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2

July 2023

2022/2023
1. Discuss each of the following terms: data field record file 2. What is data redundancy? 3. Discuss the disadvantages of file-based systems. 4. Explain the difference between data and information. 5. Use Figure 1.2 (below) to answer the following questions. In the table, how many records does the file contain? How many fields are there per record? What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file stru...
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datascience24
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Summary

Database_Design_Wk1_Chapter1_Exercise_Q&A
-

-

-

2

July 2023

2022/2023
1. Discuss each of the following terms: data field record file 2. What is data redundancy? 3. Discuss the disadvantages of file-based systems. 4. Explain the difference between data and information. 5. Use Figure 1.2 (below) to answer the following questions. In the table, how many records does the file contain? How many fields are there per record? What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file stru...
New
datascience24
$10.99 More Info