IMS Overview

Overview
This course provides an integrated overview of all the facilities in IMS. It provides a framework for those who will be going on to the advanced courses, and a basic understanding of IMS''s capabilities for those who need an introductory knowledge.

Course objectives
Upon completion of this course, the student should be able to: Describe the major functions performed by IMS; Discuss the difference between logical and physical database views as implemented by IMS; Describe the significant features of IMS Data Communications facilities for online processing support, such as system definition, security control, logging and recovery, and conversational processing; Evaluate IMS support of data sharing for applications; Understand the basic terminology used by the vendor to describe the IMS environment in published system manuals.

By the end of this course you will have learned
A basic understanding of the IMS system; What database access methods are available; The concepts of hierarchical databases; How to issue DL/1 and IMS calls; Basics of an online transaction; What DL/1 utilities are available.

Who should attend
Information Technology personnel who need an introduction to the concepts and terms used in the IMS environment.

Pre-requisites
A general knowledge of Information Technology.

Course synopsis

• An Introduction to the IMS Database Environment
• Basic concepts of data management. Modes of processing with IMS
• Hierarchical Management of Data Structures
• Concepts of data structure in IMS, Managing entity relationships in IMS Direct Access techniques
• IMS Management of Data Storage
• Data Description Language, Access method features in IMS
• Special VSAM considerations
• Program Capabilities in the IMS Environment Terminal processing modes, Terminal data independence
• Hardware support by IMS Data Communications Facility
• Utility Maintenance Facilities of IMS
• Summary