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Database Management System Practice Test 42

Unified Modeling Language Diagrams MCQ (Multiple Choice Questions) PDF - 42

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The MCQs: In component diagrams, the building block which is represented with two rectangles laid on left side is classified as; "Unified Modeling Language Diagrams" App Download (iOS & Android) Free with answers interfaces, type of components, dependency relationships for online software engineering certification. Practice database design methodology and uml diagrams questions and answers, Google eBook to download free sample for BSc computer science.

Unified Modeling Language Diagrams Questions and Answers PDF Download: Quiz 42

MCQ 206: In component diagrams, the building block which is represented with two rectangles laid on left side is classified as

  1. type of components
  2. interfaces
  3. dependency relationships
  4. all of above

MCQ 207: In database management system, if the cursor is to be moved to next rows in queries result then the command is classified as

  1. OPEN CURSOR command
  2. FETCH command
  3. UPDATE command
  4. CLOSE CURSOR command

MCQ 208: As compared to Cartesian product, the tuples which appears in the result by applying JOIN are the ones

  1. that fulfills the condition
  2. that does not fulfill the condition
  3. that are nested
  4. that are subtracted

MCQ 209: Consider two tuples R and S, the maximum size of R and S relations is divided to expected size of join is classified as

  1. equi join selectivity
  2. natural selectivity
  3. join selectivity
  4. theta selectivity

MCQ 210: In constructing ER diagrams, the double ovals are used to denote

  1. multi-value table
  2. multi-value entity
  3. multi-value attributes
  4. multi-value key

Database Management System Exam Prep Tests

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Unified Modeling Language Diagrams App (Android & iOS)

Unified Modeling Language Diagrams App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Computer Fundamentals App (Android & iOS)

Computer Fundamentals App (Android & iOS)

Semantic Web App (Android & iOS)

Semantic Web App (Android & iOS)