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Teradata Components

The Teradata system comprises of several interconnected software and hardware which intercommunicate within each other to bring out the best of Teradata as a whole. Following are the main components in the Teradata system. Call Level Interface (CLI) Data Communications Manager or Teradata Director Program (TDP) Parser and Dispatcher or Parsing Engine (PE) Interprocessor Network (BYNET) Database Manager or Access Module Processor (AMP) File System Disk Subsystem [+]

Transaction Management

The principle objective of a transaction is to facilitate data completeness when a sequence of events happens. Although it is not necessary that a “sequence of events” has to take place. A single event can also be considered as a transaction. A single event could be any data manipulation events like INSERTING, UPDATING or DELETING a row or set of rows. Transaction is a logical unit of work. When we say a logical unit, it means [+]