It is not necessary to have an associative entity describe a many-to-many binary relationship if there is not intersection data.
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Q42: An associative entity is an alternate way
Q43: In a many-to-many unary relationship an occurrence
Q44: A dependent entity would be of no
Q45: A one-to-one unary relationship involves a single
Q46: A one-to-one unary relationship associates one occurrence
Q48: In a one-to-many unary relationship an occurrence
Q49: Draw an entity-relationship diagram that describes the
Q50: A ternary relationship involves three different entity
Q51: In a one-to-many unary relationship an occurrence
Q52: An associative entity is an alternate way
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