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Database Systems Study Material: Mock Test 274

Extended ER Features MCQs (Multiple Choice Questions) PDF Download - 274

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The Extended ER Features Multiple Choice Questions (MCQ) with Answers PDF (Extended ER Features MCQs PDF e-Book) download Ch. 4-274 to study Database Systems Practice Tests. Study Database Design and ER Model quiz answers PDF, Extended ER Features Multiple Choice Questions (MCQ Quiz) to learn online courses. The Extended ER Features MCQ App Download: Free Database Systems App to study aspects of database design, nested subqueries, database keys, extended er features test prep for online degrees.

The MCQs: A subclass also inherits participation in the relationship sets in which its superclass is; "Extended ER Features" App (Android, iOS) with answers: invoked, called, executing, and participating to learn online courses. Practice Database Design and ER Model Questions and Answers, Google Book to download free sample for associates in computer science.

Extended ER Features MCQ with Answers PDF Download: Quiz 274

MCQ: 1366

A subclass also inherits participation in the relationship sets in which its superclass is

  1. Called
  2. Invoked
  3. Participating
  4. Executing
MCQ: 1367

A superkey may contain extraneous

  1. Attributes
  2. Keys
  3. Instances
  4. Entries
MCQ: 1368

We can write 'relation A contains relation B' as

  1. exists (B except A)
  2. exists (A except B)
  3. notexists (A except B)
  4. notexists (B except A)
MCQ: 1369

High throughput can be obtained by system component's

  1. Low utilization
  2. High utilization
  3. Low responses
  4. High responses
MCQ: 1370

Any database modification that would cause a null to be inserted in an attribute declared to be not null generates an

  1. Exception
  2. Rejection
  3. Output
  4. Error

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Extended ER Features MCQ App (Android & iOS)

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