DA0-002 Data Acquisition and Preparation Practice Question
A data analyst is using a recursive CTE to traverse an organizational hierarchy. What is the purpose of the anchor member in the recursive CTE?
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
✓
It provides the initial seed or starting rows for the recursion.
The anchor member initializes the recursion with the base result set.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It provides the initial seed or starting rows for the recursion.
Why this is correct
The anchor member returns the base result set.
- ✗
It filters the final output of the recursive CTE.
Why it's wrong here
Filtering is done in the outer query.
- ✗
It specifies how to join the CTE with itself recursively.
Why it's wrong here
That is the recursive member.
- ✗
It defines the termination condition for the recursion.
Why it's wrong here
Termination is usually by an outer query or limit.
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