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. Deduplicate transformation
  9. Expression transformation
  10. Filter transformation
  11. Hierarchy Builder transformation
  12. Hierarchy Parser transformation
  13. Hierarchy Processor transformation
  14. Input transformation
  15. Java transformation
  16. Java transformation API reference
  17. Joiner transformation
  18. Labeler transformation
  19. Lookup transformation
  20. Mapplet transformation
  21. Normalizer transformation
  22. Output transformation
  23. Parse transformation
  24. Python transformation
  25. Rank transformation
  26. Router transformation
  27. Rule Specification transformation
  28. Sequence Generator transformation
  29. Sorter transformation
  30. SQL transformation
  31. Structure Parser transformation
  32. Transaction Control transformation
  33. Union transformation
  34. Velocity transformation
  35. Verifier transformation
  36. Web Services transformation

Transformations

Transformations

Dynamic SQL queries

Dynamic SQL queries

A dynamic SQL query can execute different query statements for each input row. When you create a dynamic SQL query, you use string substitution to define string variables in the query and link them to input fields in the transformation.
To change a query statement, configure a string variable in the query for the portion of the query that you want to change. To configure the string variable, identify an input field by name in the query and enclose the name in tilde characters (
~
). The query changes based on the value of the data in the field.
The transformation input field that contains the query variable must be a string data type. You can use string substitution to change the query statement and the query data.
When you create a dynamic SQL query,
Data Integration
prepares a query for each input row. You can pass the following types of dynamic queries in an input field:
Full query
You can substitute the entire SQL query with query statements from source data.
Partial query
You can substitute a portion of the query statement, such as the table name.