Wayfair
Foundations Track · Easy · 15 min
Complete Skill Coverage
At Wayfair, analysts are preparing a scorecard focused on complete skill coverage. Return the candidate_id values for candidates who have all three required ...
Company labels are directional practice context, not official interview guidance.
Objective
Practice query basics through a Wayfair-tagged business scenario.
Approach
Use this track to lock in clean query structure, basic filtering logic, and confidence with grouped output.
Company context
Company labels are directional practice context, not official interview guidance.
At Wayfair, analysts are preparing a scorecard focused on complete skill coverage. Return the candidate_id values for candidates who have all three required skills: SQL, Python, and Tableau. Sort by candidate_id.
candidate_skills
| candidate_id | skill_name |
|---|---|
| 101 | SQL |
| 101 | Python |
| 101 | Tableau |
| 102 | SQL |
| 102 | Python |
| 103 | SQL |
| 103 | Tableau |
| 104 | Python |
| 104 | Tableau |
| 104 | SQL |
SQL workspace
Run queries against the protected question data, then submit once the result shape looks right.
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