Database Normalization ตั้งแต่ 1NF-3NF ในคลิปเดียว

Normalization is the process of minimizing redundancy from a relation or set of relations Redundancy in relation may cause insertion

Data normalization involves scaling the attribute values to make them lie numerically in the same intervalscale, and thus have the same importance Because

normalization Standardization Standardization หรือ Z-Score Normalization คือ การนำข้อมูล Feature Column มาปรับให้ Mean = 0 และ Standard

normalization The equation for normalization is derived by initially deducting the minimum value from the variable to be normalized Next, the minimum value