Welcome to Teradata Tools and Utilities Access Module Programmer Guide - Access Module

Teradata® Tools and Utilities Access Module Programmer Guide

Access Module
Release Number
June 2022
English (United States)
Last Update
Product Category
Teradata Tools and Utilities

Teradata Vantage™ is our flagship analytic platform offering, which evolved from our industry-leading Teradata® Database. Until references in content are updated to reflect this change, the term Teradata Database is synonymous with Teradata Vantage.

Advanced SQL Engine is a core capability of Teradata Vantage, based on our best-in-class Teradata Database. Advanced SQL refers to the ability to run advanced analytic functions beyond that of standard SQL.

Using Teradata Tools and Utilities Access Module Programmer Guide

This guide provides detailed instructions for using the various features and a complete reference for the functions used in an Access Module. An Access Module is a software component of the Teradata client utility infrastructure that provides a block-level I/O interface to data residing on an external data storage device. 

Why Would I Use this Content?

This guide is intended to help the systems and application programmers understand the functional aspects of the Access Module interface. Additionally, the guide provides information required to develop an Access Module for an I/O subsystem that is not supported by Teradata.

How Would I Use this Content?

Use this guide to learn about:
  • Functional aspects of the Access Module interface with the data connector component of a Teradata utility, such as the Data Connector APIs or the Teradata PT DataConnector operator
  • Functions required from an Access Module, and the supporting data structures
  • Examples showing the structure and symbol definitions required
  • Sample Access Module program

How Do I Get Started?

Before you start exploring an Access Module, identify the record formats and supported operations and review the Sample Program.

References to Other Relevant Content

For information about a specific Access Module, see Teradata® Tools and Utilities Access Module Reference, B035-2425.