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@sqlspecialist

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PostedNov 2811/28/2025, 10:58 AM
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πŸ“Š π—œπ—»π˜π—²π—Ώπ˜ƒπ—Άπ—²π˜„π—²π—Ώ: How do you create a running total in SQL? πŸ‘‹ 𝗠𝗲 Use the WINDOW FUNCTION with OVER() clause: Date, Amount, SUM(Amount) OVER (ORDER BY Date) AS RunningTotal FROM Sales; 🧠Logic Breakdown: - SUM(Amount) β†’ Aggregates the values - OVER(ORDER BY Date) β†’ Maintains order for accumulation - No GROUP BY needed βœ…Use Case: Track cumulative revenue, expenses, or orders by date πŸ’‘SQL Tip: Add PARTITION BY in OVER() if you want running totals by category or region. πŸ’¬Tap ❀️ for more!