University | Singapore University of Social Science (SUSS) |
Subject | ANL503: Data Wrangling |
Question 1
Create a Python program to access the Excel workbook and store the three spreadsheets as three MySQL tables in your MySQL database.
Question 2
Construct a single MySQL query to create a new table named “source” that contains all the data from the “demo” table plus the additional columns of information from the “survey” and “spend” tables.
Question 3
Create an R program that reads in the “source” MySQL table directly from your MySQL database.
Question 4
Using R, design two visuals that show whether there is a difference between customers who responded to the survey and customers who did not.
cta_ question_1
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