Question Completion Status: QUESTION 31 Consider the sample data and query below regarding purchases made via an e-commerce website. What type of transformation was used to produce result in the query produced? ORIGINAL DATA order order date oustomer 1 10.01.2012 2013 12 10/01/2018 2018 10/02/2018 23425 ANNIE order details order producto y purchased 1 1 10 1 2 1 24 6 3 2. 24 1 4 3 58 2 5 3 32 3 8 10 8 QUERY PRODUCED day aby purchased 1001/2018 10.02.2016. 13 Sum agregation Group by with sum accregation Group by with count aggregation Count aggregation Filter with sum aggregation QUESTION 32 in a database, a foreign key is