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Database Management System MCQs – Practice Test 8 (Chapter 1)

Data Modeling: Entity Relationship Model Notes Questions with Answers PDF Download – Test 8

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Data Modeling Entity Relationship Model MCQs – Practice Test 8 PDF Download

MCQ 36: IN DBMS, the set of associations can be defined among different entities from different entity types as:

  1. relationship string
  2. relationship set
  3. relationship type
  4. both b and c

MCQ 37: The two main types of constraints of entity relationships are:

  1. intensive ratio
  2. participation
  3. cardinality ratio
  4. both b and c

MCQ 38: In ER diagrams, the partial participation is shown by:

  1. single line
  2. double line
  3. double dotted line
  4. triple dotted line

MCQ 39: The partial key is differentiated by other keys in database by underlining the key with:

  1. dotted line
  2. double line
  3. red line
  4. red dotted line

MCQ 40: In entity-relationship diagram, the key attributes are represented by:

  1. oval shape and underline
  2. oval shape and double line
  3. square shape and underline
  4. square shape and double line

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