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: 15 An attribute of an entity type for which each entity must have a unique value is called a Multi-valued Attribute.A O Composite Attribute
: 15 An attribute of an entity type for which each entity must have a unique value is called a Multi-valued Attribute.A O Composite Attribute .B Simple Attribute .CO Key Attribute .D 16 ity Data Base, there are several departments each denartment has exactly one ahead of donartment who
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