IMS Logical Relationships

  • Tuition USD $2,130 GSA  $1,567.25
  • Reviews star_rate star_rate star_rate star_rate star_half 1115 Ratings
  • Course Code CM241G
  • Duration 4 days
  • Available Formats Classroom

Learn how to successfully implement and tune Information Management System (IMS) databases with IMS logical relationships. Examine in detail the various pointer options. Practice these skills in intensive machine-lab exercises.

Skills Gained

  • Code the DBDs and PSBs for databases involved in logical relationships, including those using recursive data structures
  • Use IMS utilities to load and reorganize logically related databases
  • Choose logical relationship update rules based upon application processing requirements
  • Identify DBD coding parameters that are critical to the performance of logically related databases
  • Interpret the results of logical relationship implementation choices using the reports provided by the IMS Monitor

Who Can Benefit

People responsible for designing, implementing, maintaining, or tuning IMS databases using logical relationships.

Prerequisites

You should have at least four months of experience using IMS and should be able to:

  • - Use TSO/ISPF or PDF
  • - Demonstrate basic knowledge of:
    • OS/VS Job Control Language
    • VSAM access methods service utilities
    • DL/I application programming techniques
  • Describe the characteristics and storage format of HISAM, HIDAM and HDAM databases and code their DBDs
  • Understand the IMS DB Monitor and use its reports to resolve database performance concerns

These skills can be developed by attending:

  • IMS Physical Organization of Databases Workshop (CM22)
  • IMS Database Performance and Tuning Workshop (CM30)

Course Details

Course Outline

  • Introduction to Logical Relationships
  • Unidirectional Logical Relationships
  • Unidirectional Logical Data Structures
  • Bidirectional Logical Relationships
  • Bidirectional Logical Data Structures
  • Database Load and Reorganization
  • Recursive Structures
  • ISRT Rules and Exercise
  • Logical Relationship Performance
  • Logical Relationship Tuning
  • Design and Change Considerations

When does class start/end?

Classes begin promptly at 9:00 am, and typically end at 5:00 pm.

Does the course schedule include a Lunchbreak?

Lunch is normally an hour long and begins at noon. Coffee, tea, hot chocolate and juice are available all day in the kitchen. Fruit, muffins and bagels are served each morning. There are numerous restaurants near each of our centers, and some popular ones are indicated on the Area Map in the Student Welcome Handbooks - these can be picked up in the lobby or requested from one of our ExitCertified staff.

How can someone reach me during class?

If someone should need to contact you while you are in class, please have them call the center telephone number and leave a message with the receptionist.

What languages are used to deliver training?

Most courses are conducted in English, unless otherwise specified. Some courses will have the word "FRENCH" marked in red beside the scheduled date(s) indicating the language of instruction.

What does GTR stand for?

GTR stands for Guaranteed to Run; if you see a course with this status, it means this event is confirmed to run. View our GTR page to see our full list of Guaranteed to Run courses.

Does ExitCertified deliver group training?

Yes, we provide training for groups, individuals and private on sites. View our group training page for more information.

Does ExitCertified deliver group training?

Yes, we provide training for groups, individuals, and private on sites. View our group training page for more information.

I can only say Thank You for persisting - following up and getting me into this class. Well spent 20-25 hours

A must take course if you want to be an AWS cloud architect. It touches almost all the essential services in AWS

This course helped me prepare for my AWS certifications. Highly recommended! Great instructors! My entire experience has been great in terms of signing up and taking the classes.

Content and Instructor were great. Just need more time during the day for labs.

Great! Teacher was awesome! Really engaging and that is hard to do with IT related things.

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