DP-203 Derived Column Practice Question
You are designing a data processing solution in Azure Data Factory that uses mapping data flows. You need to perform type conversions on incoming data. Which two transformations can be used to change data types? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Derived Column
Options B and E are correct. Derived Column can change data types through expressions, and Select can cast types during column projection. Option C (Assert) is incorrect because it only validates and routes rows based on conditions; it does not convert data types. Option A (Conditional Split) and Option D (Sort) are also incorrect.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Conditional Split
Why it's wrong here
Conditional Split routes rows based on conditions, not type conversion.
- ✓
Derived Column
Why this is correct
Derived Column allows type conversion via expressions.
- ✗
Assert
Why it's wrong here
Assert transformation validates rows but does not change data types.
- ✗
Sort
Why it's wrong here
Sort does not change data types.
- ✓
Select
Why this is correct
Select can cast columns to different types.
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