Summary Database_Design_Wk1_Chapter1_Exercise_Q&A
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 structure?
Gekoppeld boek
- 2020
- 9783030338367
- Onbekend
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- Instelling
- Database Design
- Vak
- Database Design
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- 11 juli 2023
- Bestand laatst geupdate op
- 11 juli 2023
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- 2
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- 2022/2023
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- Samenvatting
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databasedesignwk1chapter1exerciseqampa