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  • Common Content for Data Engineering 10.2.2
  • 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. 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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Rules and Guidelines for Relational Target Partitions

Rules and Guidelines for Relational Target Partitions

Consider the following rules and guidelines when you enable partitioning for a mapping that writes to a relational target:
  • The Data Integration Service uses one thread to write to the target, but can use multiple threads for the remaining mapping pipeline stages in the following situations:
    • The mapping writes to a relational target other than DB2 for LUW or Oracle.
    • The mapping uses a JDBC or ODBC connection to write to a DB2 for LUW or Oracle target.
  • Enable high precision for the mapping when a DB2 for LUW target table partition key is a decimal column. The Data Integration Service might fail the mapping when a partition key is a decimal column and you do not enable high precision for the mapping.
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