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Since it is used to link the tables that originally were related in a M:N relationship,the composite entity structure includes-as foreign keys-at least the ____ keys of the tables that are to be linked.
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Q16: Each column in a relation represents a(n)_.
Q19: The ER diagram represents the conceptual database
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Q23: The "_" characteristic of a primary key
Q45: In _,relationships are represented by a diamond
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Q100: Mutual funds are traded in securities markets.