Decomposition using Functional Dependencies MCQs Quiz Online PDF Book Download

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Practice relational database design test MCQs: functional dependencies are used for, with choices testing instances of relations, specify constraints on legal relations , and specifying domain for data science certification. Prepare assessment test for scholarships, online learning decomposition using functional dependencies quiz questions for competitive assessment in computer science major for data science certification.

MCQ on Decomposition using Functional Dependencies Quiz Book Download

MCQ: Functional dependencies are used for

  1. Testing instances of relations
  2. Specify constraints on legal relations
  3. Both A and B
  4. Specifying Domain


MCQ: Schema for relation r, with 'R' denoting set of attributes, can be expressed by notation

  1. r
  2. R
  3. r( R)
  4. R ( r)


MCQ: Definition of 3NF permits certain functional dependencies that are not allowed in

  1. BCNF
  2. 1NF
  3. 2NF
  4. 3NF


MCQ: For relations, best practice is to use a

  1. Sentencecase name
  2. Uppercase name
  3. Lowercase name
  4. First-letter capital case


MCQ: An instance of a relation that satisfies all real-world constraints is called a

  1. Associated instance
  2. Legal instance
  3. Participant instance
  4. Domain instance