Question 1 2 / 2 points An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a: Question options: A) link attribute. B) link key. C) foreign key. D) foreign attribute. Question 2 2 / 2 points A primary key that consists of more than one attribute is called a: Question options: A) foreign key. B) composite key. C) multivalued key. D) cardinal key. Question 3 2 / 2 points Which of the following are properties of relations? Question options: A) Each attribute has the same name. B) No two rows in a relation are identical. C) There are multivalued attributes in a relation. D) All columns are numeric. Question 4 2 / 2 points When all multivalued attributes have been removed from a relation, it is said to be in: Question options: A) first normal form. B) second normal form. C) Boyce-Codd normal form. D) third normal form. Q...
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