تجميع البيانات باستخدام لغة الاستعلام البنيوية إسكيوإل

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Enhance your data aggregation skills with this one-hour, project-based course on SQL. Perfect for personal development, you'll learn to use SQL's aggregation functions. Offered by Coursera, this intermediate-level course is available for free and is ideal for learners looking to advance their data handling abilities.