Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Practice Test 16 (Chapter 4)

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The MCQ: In E-R diagrams, the discriminator of a strong entity is underlined with a; "Database Systems Notes" App APK Download with answers: dashed line, double line, solid line, and no line to study SQL certification courses. Practice Database Languages Quiz Questions, download Kobo e-Book (Free Chapter) to study SQL certification courses.

Database Design and ER Model MCQs – Practice Test 16 PDF Download

MCQ: 76

In E-R diagrams, the discriminator of a strong entity is underlined with a

  1. Double line
  2. Dashed line
  3. Solid line
  4. No line
MCQ: 77

The association between entity sets is referred to as

  1. Connection
  2. Participation
  3. Assemble
  4. Simulation
MCQ: 78

In an E-R diagram, identifying relationship sets linked to weak entity sets, are represented by

  1. Diamonds
  2. Dashed lines
  3. Double Lines
  4. Double diamonds
MCQ: 79

The identifying entity set is known to own the weak entity set that it

  1. Executes
  2. Initializes
  3. Identifies
  4. Publicates
MCQ: 80

In case of nonbinary relationship sets, we can specify some relationship types of

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

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