IMS DB Programming II Rel 5

Updating Segments

• GET HOLD Calls
• GET Functions
• Maintaining Data Integrity
• REPLACE Call
• Example of the REPL Call
• REPL Status-Codes
• REPLACE with Command Codes
• Relationships between Functions

Inserting and Deleting Segments

• INSERT Calls to Load a Database
• Insert Function Code
• Program Specification Block
• Load Mode
• HSAM
• HISAM
• HDAM
• HIDAM
• INSERT Mode
• ISRT Function Code
• INSERT Calls to Add a New Segment
• INSERTing New Segments
• Check STATUS CODE
• DELETE Calls
• DELETE Segments
• GET HOLD and ELETE functions
• GET HOLD Precedes DELETE
• DLET Call Status Codes
• Using SSAs with DLET
• COMMAND CODE in a DLET Call

Programming Techniques

• Status Code Checking
• Introduction

  Objectives