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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 7 (Chapter 4)

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Database Design and ER Model Quiz – Practice Test 7 PDF Download

MCQ 31: The implementation process of the database proceeds in:

  1. One final design phase
  2. Two final design phases
  3. Three final design phases
  4. Four final design phases

MCQ 32: In an E-R diagram, the symbol that represents relationship sets, is:

  1. Undivided rectangle
  2. Diamond
  3. Rectangles divided into two parts
  4. Triangle

MCQ 33: Association of a weak entity set with another entity set is known to be:

  1. Identifying
  2. Existence
  3. Discriminator
  4. Publicator

MCQ 34: When an entity in set A is associated with at most one entity in set B, the cardinality is of type:

  1. One-to-one
  2. One-to-many
  3. Many-to-one
  4. Many-to-many

MCQ 35: When an entity in set A is associated with any number of entities in set B, the cardinality is of type:

  1. All-to-all
  2. One-to-many
  3. One-to-one
  4. Many-to-many

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