Table of Contents

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  1. Preface
  2. Transformations
  3. Source transformation
  4. Target transformation
  5. Aggregator transformation
  6. Cleanse transformation
  7. Data Masking transformation
  8. Data Services transformation
  9. Deduplicate transformation
  10. Expression transformation
  11. Filter transformation
  12. Hierarchy Builder transformation
  13. Hierarchy Parser transformation
  14. Hierarchy Processor transformation
  15. Input transformation
  16. Java transformation
  17. Java transformation API reference
  18. Joiner transformation
  19. Labeler transformation
  20. Lookup transformation
  21. Machine Learning transformation
  22. Mapplet transformation
  23. Normalizer transformation
  24. Output transformation
  25. Parse transformation
  26. Python transformation
  27. Rank transformation
  28. Router transformation
  29. Rule Specification transformation
  30. Sequence Generator transformation
  31. Sorter transformation
  32. SQL transformation
  33. Structure Parser transformation
  34. Transaction Control transformation
  35. Union transformation
  36. Velocity transformation
  37. Verifier transformation
  38. Web Services transformation

Transformations

Transformations

Lookup object

Lookup object

The Lookup object is the source object that
Data Integration
queries when it performs the lookup. The lookup object is also called the lookup source.
Select the lookup source on the
Lookup Object
tab of the Properties panel. The properties that you configure for the lookup source vary based on the connection type
The following image shows the
Lookup Object
tab for a relational lookup:
The Lookup Object tab for a relational lookup contains the following lookup object details: Connection, Source Type, Lookup Object, and Multiple Matches. It also contains advanced properties. The fields on the Lookup Object tab vary based on the connection type.
  1. Lookup object details where you configure the connection, source type, lookup object, and multiple match behavior.
  2. Select the lookup source from the mapping inventory.
You can select the lookup source in the following ways:
Select the connection and lookup object.
In the
Lookup Object Details
area, select the connection, source type, and lookup object. You can also create a new connection.
Select the lookup source from the mapping inventory.
If your organization administrator has configured Enterprise Data Catalog integration properties, and you have added objects to the mapping from the
Data Catalog
page, you can select the lookup source from the
Inventory
panel. If your organization administrator has not configured Enterprise Data Catalog integration properties or you have not performed data catalog discovery, the
Inventory
panel is empty. For more information about data catalog discovery, see
Mappings
.
Use a parameter.
You can use an input parameter to define the connection or lookup object when you run the mapping task. For more information about parameters, see
Mappings
.
Use a custom query.
You can use a custom query to reduce the number of columns to query. You might want to use a custom query when the source object is large.
You must also specify the transformation behavior when the lookup returns multiple matches.

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