Introduction to CA IDMS Data Manipulation Language

Introduction to CA IDMS Data Manipulation Language

This guide discusses how to use Assembler Data Manipulation Language (DML) statements in your Assembler program to perform the following:

• Access a CA IDMS/DB database
• Perform data communications functions through CA IDMS/DC and CA IDMS UCF (DC/UCF)

Assembler DML statements are embedded in the program source as if they were part of the host language. During assembly, most DML precompiler statements are expanded into executable Assembler source code (whether or not the DML precompiler was executed), and source-level error checking is performed.

Depending on your operating environment, your Assembler program uses different sets of DML statements. For example, a batch program uses database DML statements; an online program can use both database and data communications DML statements.

This chapter discusses the following:

• When to use different sets of Assembler DML statements depending on your operating environment

How to use the DML precompiler to prepare your program for assembly and execution

This section contains the following topics:

Operating Environments

Assembling and Executing Programs

Callable Services and Common Facilities