Multiple choice

Which of the following is/are not known as attribute type in a relation?

  1. Composite

  2. Single - valued

  3. Derived

  4. Unary

  5. Simple
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer. There are five types of attributes in database. These are :-1.) Simple attribute 2.) Composite attribute 3.) Single-valued attribute 4.) Multivalued attribute 5.) Derived attributeThere is no attribute named unary. Unary is a type of relation which is known as degree of relation(unary, binary, ternary etc.). So this is the correct answer according to the question.

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