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English
  • Common Content for Data Engineering 10.2.1
  • All Products

Table of Contents

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  1. Preface
  2. Mappings
  3. Mapplets
  4. Mapping Parameters
  5. Mapping Outputs
  6. Generate a Mapping from an SQL Query
  7. Dynamic Mappings
  8. How to Develop and Run a Dynamic Mapping
  9. Dynamic Mapping Use Cases
  10. Mapping Administration
  11. Export to PowerCenter
  12. Import From PowerCenter
  13. Performance Tuning
  14. Pushdown Optimization
  15. Partitioned Mappings
  16. Developer Tool Naming Conventions

Developer Mapping Guide

Developer Mapping Guide

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Mapping Components

Mapping Components

Mapping components determine the data flow between sources and targets.
Every mapping must contain an input object, which reads data from a mapping component or file. Every mapping must also contain an output object, which writes data to a mapping component or file.
A mapping can also contain the following components:
Data object operations
Repository objects that contain properties required to perform certain run-time operations on sources or targets. Required for some PowerExchange adapter data sources.
Transformations
Modify data before writing it to targets. Use different transformation objects to perform different functions.
Mapplets
Reusable objects containing a set of transformations that you can use in multiple mappings.
Segments
Consist of one or more objects in a mapping, mapplet, rule, or virtual stored procedure.
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