IDMSX for VME Program Developers

Audience

This course is for applications programmers, technical and production support staff. Operations analysts will also benefit from this course.

Prerequisites

Delegates should have knowledge of COBOL and have some experience of the VME environment

Duration

5 days. Hands on.

Course Objectives

This course provides experienced COBOL programmers with the skills and understanding to design, code and test programs to access an IDMS database. The concepts and principles underlying IDMS are explored and all elements of Data Manipulation Language are taught in depth and practised in hands-on workshop sessions.

Course Content

Introduction
Database concepts
IDMSX Principles

IDMS Structure
Logical Structure
· Record / Set types
· Record / Set occurrences
· Schema / Subschema
Bachman Diagrams
Physical Structure
· Database keys
· Record placement
Set characteristics

Accessing the Database
Data Manipulation Language
· Environment / Data Division
· COPY IDMS

Database Retrieval
FIND / OBTAIN /GET
Error handling
IDMS-STATUS
Currencies & navigation

Updating the Database
MODIFY
CONNECT
DISCONNECT
Testing for set membership
· IF
Storing Database keys
· ACCEPT
Review of Currencies
STORE
ERASE

The Compilation System
The DML Pre-processor
IDMSDMLC
Running IDMSX programs

Database Recovery
Checkpoints

Database Utilities

Data Display / Altadata

Course Review