IMS DB PROGRAMMING

Course: IMSDBC

Duration: 4 Days

Level: I

Course Summary

This course teaches the student about maintaining IMS Databases with COBOL programs. Database maintenance, for logical and physical databases, to create, retrieve, update, and delete is included along with search arguments and debugging.

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Topics Covered In This Course

IMS CONCEPTS & FACILITIES - INTRODUCTION TO IMS/VS

DATABASE vs. NON-DATABASE SYSTEMS
ORIGIN/HISTORY
FACILITIES

IMS CONCEPTS & FACILITIES - DATABASE FACILITY

HIERARCHIC STRUCTURES
ACCESS METHODS
BATCH PROCESSING

IMS CONCEPTS & FACILITIES - DATA COMMUNICATION FACILITY

REGION TYPES
CONTROL/MESSAGE REGION PROCESSING
BATCH MESSAGE REGION PROCESSING

IMS PROGRAMMING - DL/I DATABASE FACILITY

DEFINITIONS
THE DATABASE DEFINITION

IMS PROGRAMMING - APPLICATION PROGRAM INTERFACE

THE PROGRAM SPECIFICATION BLOCK
DBD-PSB RELATIONSHIP
JCL

IMS PROGRAMMING - APPLICATION PROGRAM REQUIREMENTS

DL/I INTERACTION
PROGRAM ENTRY
PROGRAM COMMUNICATION BLOCKS
CALLS TO DL/I
PROGRAM EXIT

IMS PROGRAMMING - DL/I CALL STRUCTURE

FUNCTION CODES
PROGRAM COMMUNICATION BLOCK
INPUT-OUTPUT AREA
SEGMENT SEARCH ARGUMENTS

IMS PROGRAMMING - PROGRAMMING EXAMPLES

GET UNIQUE CALLS
GET NEXT CALLS
GET NEXT WITHIN PARENT CALLS
SAMPLE PROGRAM

IMS PROGRAMMING - THE UPDATE FUNCTIONS

INSERT
REPLACE
DELETE

IMS PROGRAMMING - TESTING AIDS

BTS
DFSDDLTO

IMS PROGRAMMING - LOGICAL RELATIONSHIP

UNIDIRECTIONAL
BI-DIRECTIONAL
THE LOGICAL DBD

IMS PROGRAMMING - SECONDARY INDEXING

TERMINOLOGY
PROGRAM USAGE
RESTRUCTURED HIERARCHY

IMS PROGRAMMING - SEGMENT SEARCH ARGUMENTS

BOOLEAN OPERATORS
COMMAND CODES

IMS PROGRAMMING - MULTIPLE POSITIONING

TRADITIONAL APPROACH
USAGE

IMS PROGRAMMING - CICS-DL/I REQUIREMENTS

USER INTERFACE BLOCK
SETTING ADDRESSES
USING DL/I IN CICS
VS COBOL II CONSIDERATIONS

What You Can Expect

During this course, the student will:

SECTION I - IMS CONCEPTS & FACILITIES

• Learn about IMS history.

• Understand the contrasts of flat files with the hierarchical concept.

• Describe how hierarchical structures are connected.

• Appreciate the facilities available in IBM's DB/DC system.

• Determine what capabilities and shortcomings are inherent to IMS.

• Understand COBOL program structure to work with IMS.

SECTION II - IMS PROGRAMMING

• Learn about the post database design cycle.

• Learn coding conventions on how to read, insert, replace or delete records in an IMS database.

• Learn how to use TSO and JCL to create and test programs.

• Learn segment search arguments (SSA's) and command code.

Who Should Take This Course

Programmers/Analysts who will be responsible for writing and maintaining programs which will be accessing IMS databases.

Recommended Prerequisites

COBOL Programmers with file maintenance experience.

Training Style

Lecture (50%) / Lab (50%)

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Related Courses

Code	Course Title	Duration	Level
IMSDC	IMS DC PROGRAMMING	5 Days	II	Details

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Schedule For This Course
There are currently no public sessions scheduled for this course. We can schedule a private class for your organization just a couple of weeks from now. Or we can let you know the next time we do schedule a public session.

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