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I was teaching students on how to make ER diagram in Chen Model. In example I used Multivalued, composite, derived attributes as practice. Now I told them in next lecture we will do Crow's foot Notations and convert the pervious Chen scenario to Crow's Foot. I can't find anywhere how will we represent these attributes in crow foot.


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与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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