Left Join Interview Questions
2 interview questions in our bank cover Left Join, most of them ML Fundamentals & Algorithms. They average 3.0/5 difficulty — medium — and each one was reported by a candidate after a real interview. Companies known to ask about Left Join: Blizzard, Notion.
Practice these on the problems board →Companies that ask about Left Join
Question mix
- ML Fundamentals & Algorithms2
Difficulty
- 3/5 — medium2
Questions tagged Left Join
Auction Web Service – Lot Winners
3/5Test your relational database querying capabilities with an e-commerce bidding scenario often seen in data-centric roles at Blizzard. This problem evaluates your mastery of SQL aggregation and table joining techniques, requiring you to extract peak financial offers for individual marketplace lots using conditional grouping clauses. Writing optimized queries for relational data manipulation is the core focus here. The full problem and model solution require a subscription.
ML Fundamentals & AlgorithmsBlizzardPercentage of Blocks Never Edited
3/5Reported from a Notion analytics interview, this SQL challenge involves relational tables tracking workspace documentation and user activity logs to calculate the proportion of untouched content. The task tests proficiency in set operations, conditional aggregation, and handling multi-event relationships efficiently. It measures the ability to translate product usage definitions into clean analytical queries. Access to the full schema, test cases, and optimal SQL solution requires a subscription.
ML Fundamentals & AlgorithmsNotion
Studied alongside
Left Join interview FAQ
- How many Left Join interview questions are there?
- 2 reported questions, mostly ML Fundamentals & Algorithms.
- Which companies ask Left Join questions?
- Blizzard (1), Notion (1).
- How hard are Left Join questions?
- They average 3.0 out of 5: 2 at 3/5.