Thursday, 23 March 2017

Dimensional Modeling in the Retail Industry: Target Corporation


Target Corporation is one of America’s largest retailers offering everyday merchandise and essentials at a discounted rate to consumers. The firm has around 1,800 outlets across the country with three types of stores, namely, Target - the discount store, SuperTarget - the hypermarket and their flexible format stores – CityTarget and TargetExpress. Target, formerly known as Goodfellow Dry Goods / Dayton’s Dry Goods, was founded by George Dayton in 1902 in Minneapolis, Minnesota. It initially formed a division of the Dayton-Hudson corporation which was the parent company for many departmental store chains. By 1970s, Target was the highest-earning division of the corporation and in 2000, Dayton-Hudson Corporation was renamed as Target Corporation. The firm’s largest competitor is Walmart, which is the largest discount store retailer in the United States and follows the “always low prices” business strategy. Target focuses on attracting the younger demographic by offering a customer centric shopping experience.

Target Corp. focuses on growth by factoring in the latest changes in the retail industry and sticks to its policy of customer prioritization. Performance metrics are one of the most important Key Performance Indicators (KPIs) for any company to evaluate its functional efficiency and growth. Target Corp. is a major player in America’s retail industry. Target’s Chairman and CEO, Brian C. Cornell acknowledged the progress made by the firm over the past few quarters and is keen on being consistent in terms of strategic priorities for growth which have clearly been successful. He also wants to incorporate improvements to enhance this growth further. Identifying and tracking the right performance metrics and implementing strategic policies or changes that align with these metrics would be the ideal approach to achieve this goal. The most important domains for performance metrics evaluation at Target Corporation are:
1.      Inventory Management
2.      Financial Services
3.      Retail Sales
4.      Order Management
5.      Supply Chain Logistics

These domains translate into or help in identifying the Business Process clearly in the 4-step process. The most important performance metrics that would be of interest to the CEO are:
1.    Sales Margin: This is the most important indicator of a retail store’s performance. It is a key indicator of generated sales across a specific period/year. This can be used to evaluate the trends in sales across the country at various locations, across product categories or even Target’s various store types. It can be used in formulation of custom marketing strategies based on location/product category.
2.      Sales Quantity: The number of products sold is a crucial factor in determining a product’s demand in the market and evaluating how well it is being received by customers, especially if it is a new or innovative product. It is a direct indication of profit as well. It is also an essential component of the inventory management system, to maintain the stock level according to a product’s demand at a specific location. It can also be used as a parameter while finalizing decisions in terms of discounted products, stock clearance sales etc.
3.      Average Sales per Transaction (AST):
AST = (total sales/total transactions)
The AST value is an important metric to evaluate the company’s advertising, marketing and promotion campaigns. It is also used in the industry to compare sales at each location and for benchmarking of locations with respect to one another.
4.      Total Sales Dollar Amount: The dollar value of total sales revenue generated in a day, at a store location, is a measure that is useful not only by itself as a performance indicator but is a key component in many KPI calculations. This is often used in conjunction with other metrics to compute various KPIs.
5.      Total COGS Dollar Amount: The COGS or Cost of Goods Sold is one of the key metrics which, when combined with the Total Sales Dollar Amount, provides key insights about a product or store location’s performance and an aggregation of these across product categories or across locations and maybe even a year-wise aggregation provides a strong baseline for judging the financial performance of the company.

Target Corporation is a Retail Industry giant, generating a large amount of data from supply chain, logistics data, inventory management data and transaction data.
·         The information generated at the POS (Point of Sales) at each location everyday can be captured through dimensional modelling techniques and this can be utilized to improve business processes based on key insights and metrics drawn from the data.
·         Dimensional modelling would enable storing large amount of transaction data in a Data warehouse and divide this data into meaningful data marts to perform specific calculations or generate real-time reports to monitor daily sales.
·         Dimensional modelling supports efficient query processing. The de-normalized approach that is followed in dimensional modelling ensures that information access is quick, with high processing speeds in terms of data querying.
·         Extensibility is another important feature of dimensional modelling that would easily accommodate the inclusion of attributes. Any such changes would be seamlessly incorporated in the reports or dashboards as well.
·         Dimensional modelling allows transaction data to be stored at the lowest possible level of granularity. Target can choose to track every transaction at a POS at each store location on any given date. The date dimension plays a critical role in such models.

A Periodic Dimensional model with Transaction fact table would be ideal for Target. This is because it would provide the data as a summary over time such as daily, weekly, monthly or yearly basis which would be ideal for computations.


A sample Dimensional Model for Target’s Retail Sales, specifically for POS, is illustrated below.



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