1. Connect to the Lab 4-t Alt Data.xlsx dataset through Tableau.
2. Add the Suppliers table to the Data Source.
3. Join in the Purchase_Orders table—first as an Inner join, then edit it to be a Left join. Notice how the number of records changes when you switch to a Left join.
4. Explore the data to assess which Suppliers aren’t listed on any Purchase Orders.
Get Free Quote!
438 Experts Online