2022-07-13 14:52:24 +01:00
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# Questions
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1. Joe Bloggs wants to create a website which returns the factorial of a number given by the user.
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Should Joe store this result in a database?
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>A. Yes
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B. No
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---
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2. The website is a hit. Now Joe wants to show user their past results. So he has the store the values in a database.
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Which of the following should not be in the database?
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>A. User details
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B. Input and Output (number and factorial)
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C. User's Amazon orders
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3. Joe Bloggs decides to use a MySql database. But he puts all his data in the database. Which of the following can he store as file?
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>A. User details
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B. Input and Output (number and factorial)
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C. AWS credentials
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D. Passwords
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4. Joe Bloggs want to uniquely identify whenever a user ran a calculation. What feature of a database can he use to achieve that?
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>A. Primary key
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B. Foreign key
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C. Tuple
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D. Index
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# Answers
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1. A. `Yes`
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2. C `User's Amazon orders`
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3. C `AWS credentials`
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4. A `Primary key`
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