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2 . 1 . 1 : Relational model. Jump to level 1 Classify each of the following as a relational rule or a business rule.
: Relational model.
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Classify each of the following as a relational rule or a business rule.
Different columns of the same table must have different names.
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All tables must have a primary key with no repeated values.
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Values may not be repeated in a particular column.
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