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  1. Preface
  2. The Transformation Language
  3. Constants
  4. Operators
  5. Variables
  6. Dates
  7. Functions
  8. Creating Custom Functions
  9. Custom Function API Reference

Transformation Language Reference

Transformation Language Reference

Working with Null Values in Boolean Expressions

Working with Null Values in Boolean Expressions

Expressions that combine a null value with a Boolean expression produces results that are ANSI compliant. For example, the
PowerCenter Integration Service
produces the following results:
  • NULL AND TRUE = NULL
  • NULL AND FALSE = FALSE

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