Multiple choice

The set of permitted values for each attribute is called its

  1. attribute set

  2. attribute range

  3. domain

  4. group
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In database systems, a domain is the set of all permitted values that an attribute can take. For example, a 'gender' domain might be {'M', 'F', 'Other'}, or an 'age' domain might be integers from 0 to 120. Domains define data type and constraints.

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