For Exercise 2
1.What data redundancies do you detect?
2.What modification problem (i.e., Deletion, Insertion, and Update problem) it has?
3.Identify different themes (topics) in the file
For Exercise 3
Use the table below and summarize in a page what are possible data elements you can think of and possible meta data definitions
for example
Drivers name could comprise
Data Elements MetaData
FirstName AlphaNumeric Min 3 Max 10
LastName AlphaNumeric Min 3 Max 10
MiddleName AlphaNumeric Min 3 Max 10
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Facts (from the Driver License Bureau’s database) |
Data |
Metadata |
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a. Driver’s name, address, and birthdate |
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b. Driver name is a 30-character field |
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c. A photo image of the driver |
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d. An image of the driver’s fingerprint. |
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e. The make and serial number of the scanning device for scanning the fingerprint |
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f. The resolution (in megapixels) of the camera that was used to photograph the driver |
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g. The fact that the driver’s birthdate must precede today’s date by at least 16 years. |
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