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  • 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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Pushdown Optimization to Native Sources

Pushdown Optimization to Native Sources

When the Data Integration Service pushes transformation logic to relational sources using the native drivers, the Data Integration Service generates SQL statements that use the native database SQL.
The Data Integration Service can push Aggregator, Expression, Filter, Joiner, Sorter, and Union transformation logic to the following native sources:
  • IBM DB2 for Linux, UNIX, and Windows ("DB2 for LUW")
  • Microsoft SQL Server. The Data Integration Service can use a native connection to Microsoft SQL Server when the Data Integration Service runs on Windows.
  • Oracle
The Data Integration Service can push Filter transformation logic to the following native sources:
  • IBM DB2 for i5/OS
  • IBM DB2 for z/OS
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