This documentation provides an overview of the Natural database management system interfaces and a short summary of their functions.

The following topics are covered:

Natural for Db2	The Natural interface to Db2 enables Natural users to access data in a Db2 database. Natural for Db2 is supported under the TP monitors Com-plete, CICS, IMS TM, in batch mode, and TSO.
Natural for Db2 for zIIP	The Natural for Db2 for zIIP interface enables Natural users to run Db2 workloads on IBM System z Integrated Information Processors (zIIP).
Natural for VSAM	The Natural interface to VSAM enables Natural users to access data stored in VSAM files.