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Unit 4 · Database Management Systems Paper 2 CS · September 2022

Consider the following statements:
Statement I: Composite attributes cannot be divided into smaller subparts.
Statement II: A complex attribute is formed by nesting composite attributes and multivalued attributes in an arbitrary way.
Statement III: A derived attribute is an attribute whose values are computed from other attributes.
Which of the following is correct?

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: D. Statement I false and Statements II, III true

Explanation

Composite attributes can be divided into subparts (simple ones cannot), so I is false. II and III are the standard definitions.

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