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WA1881 IMS Database Programming Training and Courseware
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This is a lecture, discussion, and hands-on programming course covering IMS/VS database programming concepts, design, coding, testing and debugging. Segment Search Arguments (SSAs) are covered in detail along with emphasis on checking the PCB mask to understand the results of IMS database calls. Each workshop is preceded by lecture, discussion, and written exercise sessions. |
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| Topics |
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- Database Terminology, Concepts and Facilities
- IMS Access Methods
- IMS Data Blocks
- Class Data Base
- IMS Application Program Structure
- DL/I Random Retrieval
- DL/I Sequential Retrieval
- DL/I Loading and Inserting Segments
- DL/I Deleting and Updating Segments
- DL/I Command Codes
- Additional IMS DataBase Topics
- Completion of Workshop Exercises
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| What you will learn |
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After completing this course, the student should be able to:
- Code DL/I calls for the following functions -
- GU, GN, GNP
- GHU, GHN, GHNP
- ISRT, REPL, DLET
- Check the status code for the success for EACH calls
- Modify a skeleton COBOL program for the following -
- Calls with NO SSAs
- Qualified calls with Unqualified SSAs
- Qualified calls with Qualified SSAs
- Command codes
- Boolean Qualifications
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| Audience |
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This course is for students who must understand and code Data Language/I (DL/I) to access segments in IMS/VS databases.
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| Prerequisites |
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A familiarity with conventional file organizations for sequential and direct access to data records is needed. Six months of experience with COBOL and JCL is required. Also, the completion of an Introduction to IMS/VS class or equivalent experience is recommended.
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| Duration |
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Five Days. |
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Course Outline
Schedule
Day 1
- Database Terminology, Concepts and Facilities
- IMS Access Methods
- IMS Data Blocks
- Class Database structure
- IMS Application Program Structure
Day 2
- DL/I Random Retrieval
- DL/I Sequential Retrieval
Day 3
- DL/I Loading and Inserting Segments
- DL/I Deleting and Updating Segments
Day 4
Day 5
- Additional IMS DataBase Topics
- Completion of Workshop Exercises
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We regularly offer classes in these and other cities. Atlanta, Austin, Baltimore, Calgary, Chicago, Cleveland, Dallas, Denver, Detroit, Houston,
Jacksonville, Miami, Montreal, New York City, Orlando, Ottawa, Philadelphia, Phoenix, Pittsburgh, Seattle, Toronto, Vancouver, Washington DC.
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