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Teradata is a massively parallel processing system running a shared nothing architecture. The Teradata DBMS claims to be linearly and predictably scalable in all dimensions of a database system workload (data volume, breadth, number of users, complexity of queries), although in practice there are limitations and non-linearities to the absolute scalability. The scalability explains its popularity for enterprise data warehousing applications. Teradata is offered on Intel servers interconnected by the BYNET messaging fabric. Teradata systems are offered with either Engenio or EMC disk arrays for database storage.
Teradata offers a choice of several operating systems:
* NCR UNIX SVR4 MP-RAS, a variant of System V UNIX from AT&T
* Microsoft Windows 2000 and Windows Server 2003
* SUSE Linux Enterprise Server on 64-bit Intel servers.
Teradata Enterprise Data Warehouses are often accessed via ODBC or JDBC by applications running on operating systems such as Microsoft Windows or flavors of UNIX. The warehouse typically sources data from operational systems via a combination of batch and trickle loads.
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