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English
  • PowerCenter 10.5.6
  • All Products

Table of Contents

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  1. Preface
  2. Using the Designer
  3. Working with Sources
  4. Working with Flat Files
  5. Working with Targets
  6. Mappings
  7. Mapplets
  8. Mapping Parameters and Variables
  9. Working with User-Defined Functions
  10. Using the Debugger
  11. Viewing Data Lineage
  12. Comparing Objects
  13. Managing Business Components
  14. Creating Cubes and Dimensions
  15. Using the Mapping Wizards
  16. Appendix A: Datatype Reference
  17. Appendix B: Configure the Web Browser

Designer Guide

Designer Guide

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Validating a Mapping

Validating a Mapping

When you develop a mapping, you must configure it so the Integration Service can read and process the entire mapping. The Designer marks a mapping invalid when it detects errors that will prevent the Integration Service from running sessions associated with the mapping.
The Designer marks a mapping valid for the following reasons:
  • Connection validation.
     Required ports are connected and that all connections are valid.
  • Expression validation.
     All expressions are valid.
  • Object validation.
     The independent object definition matches the instance in the mapping.
  • Data flow validation.
     The data must be able to flow from the sources to the targets without hanging at blocking transformations.
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