23.  Topic 3, Northwind Traders 
Case study
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other question on this case study. 
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section. 
To start the case study
Overview. General Overview
Overview. Business Issues
Existing Environment. Data Sources
Source2 is exported daily from a third-party system and stored in Microsoft SharePoint Online. 
Existing Environment. Customer Worksheet
The first 11 rows of the worksheet are shown in the following table. 
All the fields in Source2 are mandatory.
Existing Environment. Azure SQL Database
The Orders table contains the following columns. 
The Order Details table contains the following columns. 
The address in the Orders table is the shipping address, which can differ from the billing address. 
The Products table contains the following columns. 
The Categories table contains the following columns. 
The Suppliers table contains the following columns. 
The Sales Employees table contains the following columns. 
Each employee in the Sales Employees table is assigned to one sales region. Multiple employees can be assigned to each region. 
Requirements. Report Requirements
The Top Products report will show the top 20 products based on the highest sales amounts sold in a selected order month or quarter, sales region, and product category. The report must also show which suppliers provide the top products. 
The On-Time Shipping report will show the following metrics for a selected shipping month or quarter:
Northwind Traders defines late orders as those shipped after the required shipping date.
Requirements. Technical Requirements
Requirements. Security Requirements
The sales department must be able to perform the following tasks in Power BI:
Users in the sales department must be able to access only the data of the sales region to which they are assigned in the Sales Employees table. 
Power BI has the following row-level security (RLS) Table filter DAX expression for the Sales Employees table.
RLS will be applied only to the sales department users. Users in all other departments must be able to view all the data. 
You need to design the data model to meet the report requirements.