IMS/DB Programming (COBOL) (ver 4)

Outline

1. Contents
2. Description
3. Audience
4. Prerequisites
5. Topics Include
6. Duration
7. Minimum Requirements
8. Media

Description

Teaches developers to design and program IMS/DB applications and to write online transactions using a variety of interactive practical examples.

Audience

COBOL or PL/1 Programmers, Analysts and System Designers. .

Prerequisites

An understanding of database structure and COBOL/PL-1 programming

Topics Include

IMS Database Structure Define a Database; Major Data-Related Goods; Redundancy; Consistency; Integrity; Security; Components in the IMS Hierarchy; The IMS Environment Components in the IMS Environment; Three IMS Processing Modes; Creation of a Physical Database; Logical Database Defined in PSB; IMS Application Program Components IMS Components Required by a COBOL Application Program; Entering and Ending IMS; Segment Search Arguments (SSAs) Qualified vs. Unqualified SSAs; Relational Operators; Command Codes; DL/1 Retrieval Calls Function Codes; GET UNIQUE and GET NEXT; Positioning and Parentage; Path Calls; Updating Segments GET HOLD Calls in a COBOL IMS Program; REPLACE Calls; Update Segment Paths with REPLACE or COMMAND CODES; Inserting and Deleting Segments INSERT Calls to Initially Load a Database; INSERT Calls to Add New Segments; Delete One or More Segments using a DELETE Call; Effective Programming Techniques Handling Unexpected IMS Status Codes; Standard Error Handling Routines; Techniques for Enhancing Efficiency and Effectiveness of IMS Application Programs; Segment Access; Checkpoints; Program Compile, Execution and Debug COMPILE...; EXECUTE...; TEST...; DEBUG...;

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