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IMS Logical Relationships
AWS Training Pass
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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.
- 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
People responsible for designing, implementing, maintaining, or tuning IMS databases using logical relationships.
- • 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
- IMS Physical Organization of Databases Workshop (CM22)
- IMS Database Performance and Tuning Workshop (CM30)
You should have at least four months of experience using IMS and should be able to:
These skills can be developed by attending:
- 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
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