If a table meets the minimum definition of a relation,it has an effective or appropriate structure.
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Q17: A tuple is a group of one
Q18: If by knowing the value of A
Q19: Functional dependencies can involve groups of attributes.
Q20: A relation is a table that has
Q21: Undesirable consequences of changing the data in
Q23: A foreign key is one or more
Q24: A candidate key is one of a
Q25: Surrogate keys usually slow performance.
Q26: A surrogate key is an artificial column
Q27: A determinant of a functional dependency may
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