PayPal

Spark internals and batch reliability.

4 questions

SQL · 2Python · 2

Status	Title	Technology	Topic	Acceptance	Difficulty
○	14.Month-over-month revenue growth	SQL	Window functions	—	Medium
○	16.Running balance per account	SQL	Window functions	—	Medium
○	23.Chunked aggregation over a large CSV	Python	Aggregation	—	Medium
○	24.Retry with exponential backoff	Python	Data modeling	—	Medium

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