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Database Management System Exam Prep MCQs – Mock Test 44

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The MCQ: Multi-valued dependencies and functional dependencies are classified as category of; "Database Constraints & Relational Schemas MCQs" App (Free Android & iOS) with answers: data dependencies, relation dependencies, attribute dependencies, and entity dependencies for online database certification. Practice Relational Data Model and Database Constraints Questions and Answers, Google e-Book to download free chapter to learn online certificate courses.

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MCQ 216: The multi-valued dependencies and functional dependencies are classified as category of

  1. relation dependencies
  2. data dependencies
  3. entity dependencies
  4. attribute dependencies

MCQ 217: In the statement DECIMAL (I, j) to specify numeric data type, the digits after the decimal point are called

  1. the precision
  2. the scale
  3. the string
  4. the numeric strip

MCQ 218: The module of DBMS which focuses on eliminating redundancies, operations reordering and rearrangements is classified as

  1. schema optimizer
  2. query optimizer
  3. interface optimizer
  4. graphical optimizer

MCQ 219: The model in which the multi-valued and composite attributes is considered as

  1. reverse relational model
  2. flat relational model
  3. parallel relational model
  4. circular relational model

MCQ 220: The time which is needed for consecutive blocks transferring is classified as

  1. rotational delay
  2. bulk transfer rate
  3. reel time
  4. seek time

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Database Constraints and Relational Schemas MCQs App (Android & iOS)

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