Computer Science Online Courses
Database Systems Practice Tests
Database Systems Online Tests
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MCQ 1: The command that is used to add attributes to an existing relation, is said to be
MCQ 2: The term that allows specification of not only a set of relations, but also information about each relation, is known as
MCQ 3: When comparing a char type with a varchar type, one may expect extra spaces to be added to the
MCQ 4: Any tuple in the relation must correspond to values of the primary key attributes of some tuple in relation s, is said to be
MCQ 5: All tuples in the relation are assigned null as the value for the new attribute, in the
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