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.
Sun | Mon | Tue | Wed | Thu | Fri | Sat |
---|---|---|---|---|---|---|
27 | 28 | 29 | 30 | 1 | 2 | 3 |
4 | 5 | 6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 | 16 | 17 |
18 | 19 | 20 | 21 | 22 | 23 | 24 |
25 | 26 | 27 | 28 | 29 | 30 | 31 |