Explanatory Question

সুপারকী কী? উদাহরণ দাও

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📘 Detailed Answer

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Answer with Explanation

সুপারকী হলো এমন একটি বা একাধিক এট্রিবিউটের সেট যা একটি রেকর্ডকে ইউনিকভাবে চিহ্নিত করে।
👉 উদাহরণ: Student ID, অথবা (Roll + Name)

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