Google

SQL and Python fundamentals, strong on correctness.

3 questions

SQL · 1Python · 1PySpark · 1

Status	Title	Technology	Topic	Acceptance	Difficulty
○	13.Second highest salary per department	SQL	Window functions	23.9%	Easy
○	22.Merge overlapping time ranges	Python	Aggregation	100.0%	Medium
○	80.First and last touch attribution	PySpark	Window functions	—	Medium

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