Multiple choice technology

Which is the costliest stage?

  1. DB Stage

  2. Transformer

  3. Modify

  4. Decode

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In DataStage, the Transformer stage is generally the costliest because it compiles into C++ code and performs complex, row-by-row computations, string manipulations, and type conversions. Modify and Decode stages are declarative and significantly faster.