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Database Systems Quiz App Download | Database Design and ER Model PDF e-Book

Database Systems MCQs: Chapter 4

Database Design and ER Model Quiz Questions & Answers PDF Download | 7

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Database Design and ER Model Exam Questions and Answers PDF Download: Test 7

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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