With Natural SQL Gateway, a Natural user residing on z/OS can access data in an SQL database residing either on a UNIX or a Windows system.

This documentation describes the client and server parts of Natural SQL Gateway.

It is organized under the following headings:

General Information	Special considerations on the environments supported by Natural SQL Gateway, known incompatibilities and constraints when using Natural SQL Gateway, terms used in this documentation, and on error messages related to Natural SQL Gateway.
Introduction to Natural SQL Gateway	Purpose, usage, and product structure.
Accessing an SQL Table	Enable access to an SQL table with a Natural program.
Using Natural System Commands for Natural SQL Gateway	An overview of special Natural system commands which are part of Natural SQL Gateway.
Generating Natural Data Definition Modules (DDMs)	Generation of Natural data definition modules (DDMs) using the SQL Services function of the Natural SYSDDM utility.
Dynamic SQL Support	Internal handling of dynamic statements.
Using Natural Statements and System Variables	Special considerations on Natural DML statements, Natural SQL statements and Natural system variables when used with SQL. In addition, the Natural SQL Gateway enhanced error handling is discussed.
Interface Subprograms	Several Natural and non-Natural subprograms to be used for various purposes.
Natural File Server	Information on the Natural File Server in the supported environments.
Natural SQL Gateway Server	Concept and structure of the server for Natural SQL Gateway, how to install, configure and operate a server for the Natural SQL Gateway under the operating system z/OS, purpose and use of the monitor client NATMOPI and the HTML monitor client.

Related Documentation

• For installation instructions and a description of the parameter module NDBPARM, refer to Installing Natural SQL Gateway on z/OS in the Installation for z/OS documentation.

• For various aspects of accessing data in a database with Natural, refer to Database Access.

• For information on logging SQL statements contained in a Natural program, refer to DBLOG Utility in the Natural Utilities documentation.