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Table of Contents

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

Developer Mapping Guide

Developer Mapping Guide

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Step 2. Configure the Exp_TRIM Expression Transformation

Step 2. Configure the Exp_TRIM Expression Transformation

Add an Expression transformation Exp_TRIM to the mapping and configure the transformation to remove the spaces in the beginning and end of the strings.
  1. Create a dynamic port to receive columns from the Read transformation and define input rules to include only the string ports.
  2. Create a dynamic output port and define a dynamic expression to remove the spaces in the beginning and end of the strings.
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