New England College SQL for Data Analysis Worksheet
Question Description
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Activity 7: Window Frames and Functions
Using sqlda, calculate the total sales for any day in the past year. Calculate the 30 day rolling average. Calculate the daily moving average for 30 days. Submit a screenshot of this challenging query. Comment your images with a sentence or so of description in your own words of what you are doing. Please make sure that your images are large enough and high enough resolution for the reader to see the text in your queries and the results.
Exercise 16: Calculating Data Fill Rates
using sqlda, produce a query that shows customer information and how many customers have filled in the street address ordered by signup date. Submit a screenshot of your successful query. Comment your images with a sentence or so of description in your own words of what you are doing. Please make sure that your images are large enough and high enough resolution for the reader to see the text in your queries and the results.
Exercise 17: Rank Ordering
Using sqlda, show the rank order of each salesperson based on date of hire. Submit a screenshot of your successful query. Comment your images with a sentence or so of description in your own words of what you are doing. Please make sure that your images are large enough and high enough resolution for the reader to see the text in your queries and the results.
Exercise 18: Team Lunch
Using sqlda, calculate the daily average of sales for a given day. Submit a screenshot of your successful query. Comment your images with a sentence or so of description in your own words of what you are doing. Please make sure that your images are large enough and high enough resolution for the reader to see the text in your queries and the results.
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