Bài 3 1./ Mi?n và quan h?

Tóm t?t: Các ph??ng pháp rút g?n thu?c tính theo ti?p c?n t?p thô truy?n th?ng khi áp d?ng trên các b?ng quy?t ??nh có mi?n giá tr? s? th?c c?n ph?i.







Lý thuy?t thi?t k? c? s? d? li?u quan h? - SoICT
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