Mainframe Technology Trainings by Venkat since 2010
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IMS DB FAQs and Scenario Questions
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IMS DB Frequently Asked Questions
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Intro to IMS DB
Organizations and Access Methods
HSAM, HDAM, HISAM, HIDAM
Physical View
IMS DB Structure
Segment, Segment types, Fields
Database Path
IMS DB Characteristics
DL/I Control blocks
DBD DB creation examples
PSB and PCB, Differences between PSB and PCB
DL/I Calls: GN, GNU and etc.
Demo on Writing on IMS DB + COBOL programs
DL/I terminology
DL/I CALLS: GN, GNP, GU, GHN, GHNP, ISRT, GU, GHU, ISRT, REPL and DLET calls
IMS DB error handling
Qualified SSA (Segment Search Arguments), Unqualified SSA, Program Communication Block (PCB)
Compilation and Execution process