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CM01G - IMS Fundamentals

Overview

Duration: 3 days

Learn about the basic Information Management System (IMS) facilities: the IMS Database System and the IMS Transaction Manager (IMS/TM). Explore how these facilities work together and how application programs interact with them in today's complex enterprise systems.

Objectives

Understand the components and benefits of an IMS Database system
Describe the processing of a database record in hierarchic sequence
Identify the different IMS database organization types
Understand the differences between Database Description (DBD) and Program Specification Block (PSB) control blocks
Contrast the requirements and effects of sequential versus direct access of database segments
Explain the reasons for the use of secondary indexes and logical relationships
Contrast full-function and Fast Path database organizations
List the basic IMS Data Communications functions of the IMS Transaction Manager (IMS/TM)
Identify the roles of messages, queues, and logical terminal names
Explain the different scheduling characteristics of the IMS/TM regions types: Message Processing, Batch Message Processing, and Interactive Fast Path
Describe the role of commit points in recovery and restart
Identify the functions of dynamic and batch backout, the system log and the benefits of periodically backing up a database
Explain the capabilities of a conversational program and its implications on processing and performance
Describe the function of Database Recovery Control (DBRC), Integrated Resource Lock Manager (IRLM) for data sharing and distributed processing
Understand how DB2 data can be accessed by IMS TM, IMS DB databases can be accessed through the DBCTL interface by CICS, and how IMS DB data and IMS TM transactions can be accessed from the internet

Content

IMS Database Fundamentals
Accessing IMS Databases - DL/I Calls
IMS Hierarchic Access Methods
Additional IMS Database Functions
IMS Transaction Manager
IMS Transaction Message processing
IMS Fast path
Connecting IMS to Other Systems
Enhancing IMS Availability
Business Integration of IMS Assets - SOA

Audience

This is a basic course for users who want a basic understanding of the IMS Database and IMS/TM products. Data processing individuals who work with or manage an IMS system (Database (DB), Database/Data Communications (DB/DC), or Database Control Subsystem (DBCTL)).

Prerequisites

You should have basic understanding of database management or transaction management along with working knowledge of z/OS concepts and tools and Job Control Language (JCL).

Certification

This course is not associated with any Certification.

Schedule

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