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  • Common Content for Data Engineering 10.4.0
  • All Products

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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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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