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Chapter 7, Problem 18RQ
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For confidentiality, encryption is used and for integrity and authentication, hashing is used.

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Use the created table as in Question 1, solve the problems as mentioned below. You will have to import the respective CSV files of the above created tables as without them, it is impossible to solve the questions below. If you are not able to upload the files successfully, do not leave the query questions. Just write the query to the best of your knowledge. Do not copy. To be graded for the screenshot answer, you must upload the CSV properly and paste the resulting screenshot of the queries as asked. Look at the sum of profits for each Product Sub-Category. Which sub-category is $31,069 below the average profit across all categories? Write the Query in box below. [4 Marks] Paste the screenshot of a portion of the answer below. [1 Marks Write a query to find the contribution of total Sales by the 'Home Office' Customer Segment in the year 2012? For example, if in 2012, the total sum of sales across all Customer segments is 100 and 'Home Office' contributes 30 to the sum of sales. Then…
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