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Abstract:Teradata is a relational database management system that drives a company's data warehouse. Teradata provide the foundation to give a company the power to grow, to complete in today's dynamic marketplace, to achieve the goal of "transforming transactions into Relationships" and to evolve the business by getting answer to a new generation of questions. Teradata's scalability allows the system to grow as the business grows, from gigabytes to terabytes and beyond. Teradata's unique technology has been proven at customer sites across industries and around the world. Teradata is a large database server that accommodates multiple client applications making inquiries against it concurrently. Various client platforms access the database through a TCP-IP connection across an IBM mainframe channel connection. The ability to manage large amounts of data is accomplished using the concept of parallelism, where in many individual processors perform smaller tasks concurrently to accomplish an operation against a huge repository of data.