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  • PowerExchange for CDC and Mainframe 10.5.5
  • All Products

Table of Contents

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  1. Preface
  2. PowerExchange Navigator Introduction
  3. Data Maps
  4. Data Maps for Specific Data Sources
  5. Copybooks
  6. Registration Groups and Capture Registrations
  7. Extraction Groups and Extraction Maps
  8. Personal Metadata
  9. Database Row Test
  10. PowerExchange Navigator Examples
  11. Appendix A: PowerExchange Functions for User-Defined Fields
  12. Appendix B: User Access Method Programs
  13. Appendix C: Application Groups and Applications
  14. Appendix D: Data Map Properties
  15. Appendix E: Record, Field, and Table Properties
  16. Appendix F: DTL__CAPXTIMESTAMP Time Stamps
  17. Appendix G: Trace for Creating a Memory Map When Importing a COBOL Copybook

Navigator User Guide

Navigator User Guide

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GetFullDbKeyOfPriorMember

GetFullDbKeyOfPriorMember

IDMS. Returns the fully qualified database key of the previous member of the specified set. The fully qualified database key includes the four-byte concatenated page group and radix identifier prefix. You can use this function with a record that is a member of the specified set.
Use this function if duplicate databases exist that are accessed using different page groups. If duplicate databases do not exist, use the GetDbKeyOfPriorMember function.
Syntax: 
GetFullDbKeyOfPriorMember('
IDMS_set_name
')
The function returns a value of datatype BIN8.
The following table describes the parameter:
Parameter
Description
IDMS_set_name
IDMS set name.
Enclose this value in single quotation marks.
Do not use an IDMS set name that represents a system index.
This function supports before-image buffering, which is required for adding before-image and change-indicator columns for the user-defined expression fields.
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