Data Integration uses the following data types in mappings and mapping task with Teradata.
Teradata Native Data types
Teradata datatypes appear in the Source and Target transformations when you choose to edit metadata for the fields.
Transformation Data Types
Set of data types that appear in the transformations. They are internal data types based on ANSI SQL-92 generic data types, which the run-time environment uses to move data across platforms. Transformation data types appear in all transformations in mappings and mapping tasks.