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Discuss each of the following terms:
What is data redundancy?
Discuss the disadvantages of file-based systems.
Explain the difference between data and information.
Use Figure 1.2 (below attachment) 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?

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