[]
In this step you will create a Categories_Product and a Suppliers_Product relation for the DataSet1.
Take the CategoryID field with the mouse in the Categories table and drag&drop it to the CategoryID field in the Products table. You'll see the following window that creates a new relation between two tables:
Take the SupplierID field with the mouse in the Suppliers table and drag&drop it to the SupplierID field in the Products table.
You'll see the following window that creates a new relation between two tables: