Database Management System MCQs (Computer Science) From Textbook

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Database Management System Certification MCQs – Mock Test 47

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The Quiz: The relationship between two independent data tables is classified as; "State Chart Diagrams" App (iOS, Android) with answers: non-structural relationships, structural relationships, non-identifying relationships, and identifying relationships for top computer science schools in the world. Study Database Design Methodology and UML Diagrams Questions and Answers, Apple Book to download free chapter for CS major.

State Chart Diagrams MCQs – Mock Test 47 PDF Download

MCQ: 231

The relationship between two independent data tables is classified as

  1. structural relationships
  2. non-structural relationships
  3. identifying relationships
  4. non-identifying relationships
MCQ: 232

The command in SQL which is used when any of the schema is no longer needed in relation is classified as

  1. DROP SCHEMA command
  2. PICK SCHEMA command
  3. DELETE SCHEMA command
  4. RESTRICT SCHEMA command
MCQ: 233

If the current number of records are 92, blocking factor is 20 and the number of file buckets are 5 then the file load factor is

  1. 0.85
  2. 0.92
  3. 0.35
  4. 0.46
MCQ: 234

If the common attributes of two relations are classified as join attributes then the OUTER UNION must be equal to

  1. LEFT OUTER JOIN
  2. FULL OUTER JOIN
  3. HALF OUTER JOIN
  4. DOWNWARD JOIN
MCQ: 235

The property of DBMS which ensures the execution of all the operations in transaction or none of the operation is executed is classified as

  1. isolation property
  2. atomicity property
  3. online execution property
  4. offline execution property

State Chart Diagrams Certification Guide – Database Management System App & eBook Notes

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State Chart Diagrams Notes App (Android & iOS)

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Database Management System Notes App (iOS & Android)

Database Management System Notes App

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Digital Logic Design Notes App

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