Teradata is a fully scalable relational database management system produced by Teradata Corporation. It is widely used to manage large data warehousing operations and acts as a single data storage that accepts a large number of concurrent request from multiple client applications. The Teradata database system is based on symmetric multiprocessing technology combined with connecting symmetric, communication networking multiprocessing systems to form large parallel processing systems. The major features of Teradata are Parallelism along with load distribution shared among several users, complete scalability and execution of complex queries. Teradata training explain the overview TeraData Architecture, Database Space, Teradata DBC Dictionary Tables and DBSize Control.