Bear in mind the following points about the Data Subset Extraction module for Data Express:
To use Data Express for z/OS, you must have the correct licence. See the
Installation Guide for more details.
You do not need to analyze the sources of the programs in the application in order to use Data Subset Extraction.
The Data Subset Extraction does not perform any operation capable of altering the analyzed data.
The Data Subset Extraction module manages all types of data stores processed by the Data Builder module with the following
DB2 files with direct access residing in a different DB2 subsystem from the one in which the product is installed.
DL/I files with direct access
Note: In these two cases, before creating the extraction method, you must specify a sequential unload of the data stores and insert
Process Identifier for reading the data stores using the jobs
Load DB2 Table Information by Unload or
Load DL/I Database Information. See the
Front End Guide for more information.