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CFX Inc, an e-commerce start-up based out of India, has built a large e-marketplace that allows sellers and buyers to transact online. The firm currently has 30,000 sellers and aims to have around 50,000 sellers by FY 2015-16. The company has around 6Mn customers today and anticipates their growth to triple in the next 2 years. In order to provide best shopping experience to their growing customer base, the firm needs to collect, store and analyze different kinds of data (transactional, behavioural, syndicated, and demographic) and improve their customer shopping experience. The company is in the process of identifying and designing suitable data management systems to sustain and manage their business growth. As part of this initiative, they hire a consultant to study their data management requirements, design a data model and offer implementation related recommendations. The management expects the consultant to come out with a concrete set of recommendations in terms of the nature of solution, choice of the database, a data model that suits CFX's requirements, cost-benefit trade-offs involved and implementation considerations.

NoSQL refers to a new class of database systems used in big data environments. These database systems aim to address some of the limitations of traditional database management systems. This technical note describes the key challenges in traditional database systems and introduces the concept of NoSQL databases. The design for NoSQL databases are also explained with illustrative examples.

Acme Inc, a large retailer, explores the use of Data warehouse for addressing their decision support infrastructure Challenges. Acme plans for a pilot study to assess the feasibility and evaluate the business benefits of using Data warehouse. The focus of this case is to ascertain the steps involved in design, development and implementation of a Data warehouse.