IMS/DB (DLI) Application Programming - Contents

This course covers, but is not limited to, the following topics:

Introduction to IMS:

• Hierarchical database versus conventional files
• Hierarchical database terminology

IMS components:

• Data Base Description
• Program Specification Block
• Application Control Block

IMS programming:

• IMS Batch Programming
• DL/1 Call Statement
• Segment Search Arguments
• GU function
• GN function
• GNP function
• ISRT function
• REPL function
• DLET function
• Efficiency considerations
• Positioning
• Multiple Qualification
• IMS DB Status Codes
• Program Structure

Command Codes:

• D Command Code
• F Command Code
• L Command Code
• C Command Code
• P Command Code
• N Command Code
• U Command Codes
• V Command Code

Database Access Methods:

• HSAM
• HISAM
• HDAM
• HIDAM
• Non-Hierarchical Sequential Organisation 
• Secondary Indexing
• Logical Relationships
• Logical Structures

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