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Relational Data Model & Database Constraints MCQs – Practice Test 5 PDF Download

MCQ 21: The ordered list of all the n-values is classified as:

  1. n-tuple
  2. l-tuple
  3. v-tuple
  4. all of above

MCQ 22: The state in which the database follows all the integrity constraints is classified as:

  1. valid state
  2. candidate state
  3. parallel state
  4. invalid state

MCQ 23: The column header of table in relational model terminology is classified as:

  1. attribute
  2. table starter
  3. table ender
  4. entity domain

MCQ 24: The operation which violates only one constraint called referential integrity when it is performed is called:

  1. New operation
  2. Modify operation
  3. Delete operation
  4. Insert operation

MCQ 25: The distribution in which each row denote some related values collection is classified as:

  1. record
  2. entity
  3. concept
  4. table

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