The checkout line is a familiar part of the retail experience. Any retailer needs to understand their checkout data to answer important questions like "do people spend more with card or cash?", "how many items do people buy at different times?", and "are self-service checkouts quicker than those with a cashier?".
In this live training, you'll use SQL to analyze transaction data from a Polish supermarket to answer financial and logistical questions.
What will I learn?
Learn to analyze distributions using SQL
Learn to work with numeric and datetime data in SQL
Learn to answer financial and logistics questions about retail transaction data