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Repeated Transactions

A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain
SQL
Difficulty
medium
Seniority
senior

Interview Prompt

Given a transactions table with user_id, product_id, total_amount, and transaction_date, write a query to count repeated transactions. A transaction is repeated if the same user bought the same product for the same amount within 10 minutes of their previous transaction for that product.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your sql solution with real code execution
  4. Get instant feedback and a hire/no-hire decision