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Visa Data Scientist Data Manipulation (SQL/Python) Questions (Updated 2026) | PracHub

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Visa Data Scientist Data Manipulation (SQL/Python) Interview Questions

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Compute Total Spent in 2023 Excluding Refunds

transactions +----------------+---------+-------------+--------+------------------+ | transaction_id | user_id | merchant_id | amount | transaction_da...

Data Manipulation (SQL/Python)

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