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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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Example of Generated Mapping from an SQL Query

Example of Generated Mapping from an SQL Query

You have a table of employees, and you want a list of employee salaries for employees that were hired after January 1, 2001.
You create the following SQL statement: 
SELECT LastName, Salary from emp1 where HireDate > 01/01/2001
The following image shows the mapping created from the SQL statement:
The mapping contains a Read transformation, a filter transformation, and a target transformation. The target contains only the ports you specify in the Select statement.
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