The Teradata Access service is used by all of the user interface components as well as the analysis components to access data in the Teradata database. This service encapsulates all of the SQL generation for the other services in a single location. The service is split up into separate components to handle specific SQL functions: connecting, metadata access, DBC access, and data access.
Teradata Warehouse Miner no longer requires a persistent connection to the Teradata database. A Teradata ODBC connection is required only when selecting data to operate against, and when an analysis is executed.
Teradata Warehouse Miner operates exclusively against data stored in Teradata. See the Teradata Warehouse Miner Release Definition document, B035-2492, for the appropriate release of Teradata Warehouse Miner for information about the releases of the Teradata RDBMS that are supported with the product.