Micro Focus Enterprise Test Server 2.3 Update 2 > Data Access > Database Access > Data Manager > Data Subset Extraction Guide

Data Subset Extraction Guide

Outlines the concepts and procedures used by the Data Subset Extraction module. Data Subset Extraction uses selection criteria specified by the user to create a new test environment from an existing environment.

Data Subset Extraction can be used to:

Generate an integral test environment.
Generate a reduced test environment.
Generate a test environment with data migration.
Generate a test environment while applying data masking techniques (for example, to protect sensitive data).

Data Subset Extraction processing comprises the following elements:

Methods creation that generates a test environment from the client side.
Extraction job submission from the client side.

To process an environment using Data Subset Extraction for the Data Manager for z/OS solution, all the files belonging to the environment undergo the following steps:

Loading and analysis of the application copybooks.
Loading and analysis of data stores.
Data store/copybook automatic association.
Definition and association of selection classes with copybooks.
Identification of register table data stores.

For more information, see the Front End Guide.