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Database Entities and Attributes - Quiz

Each question is worth one point. Select the best answer or answers for each question.
 
1. Which of the following terms refer to constraints placed on attributes?
Please select all the correct answers.
  A. domains
  B. key attributes
  C. single-valued

2. Which of the following terms are equivalent to an instance of an entity?
Please select all the correct answers.
  A. field
  B. record
  C. row
  D. table

3. Which of the following statements correctly describes a multi-valued attribute?
Please select all the correct answers.
  A. It contains two or more data values.
  B. It can be resolved by creating a new entity.
  C. It can be resolved by creating a new key attribute.
  D. It diminishes data integrity.

4. Which of the following is an appropriate choice as an entity identifier?
Please select the best answer.
  A. last name
  B. social security number
  C. telephone number
  D. full name

5. Which of the following are examples of standard domain types?
Please select all the correct answers.
  A. date
  B. currency
  C. numeral
  D. color