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Describe the relationship between columns that can be null and entity subtypes. Under what circumstances would these columns lead to more than one entity subtype?
Describe the relationship between columns that can be null and entity subtypes. Under what circumstances would these columns lead to more than one entity subtype?
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Data And Information Quality Dimensions, Principles And Techniques
Authors: Carlo Batini, Monica Scannapieco
1st Edition
3319241060, 9783319241067
