Database Systems MCQs (Computer Science) From Textbook

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Database Systems Certification MCQs – Mock Test 431

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The Quiz: When programs in a database system need a block from disk, they make requests on the; "Database Buffer" App (iOS, Android) with answers: buffer loader, buffer header, buffer manager, and buffer controller for online computer science and engineering. Study Storage and File Structure Questions and Answers, Apple Book to download free chapter for top computer science schools.

Database Buffer MCQs – Mock Test 431 PDF Download

MCQ: 2151

When programs in a database system need a block from disk, they make requests on the

  1. Buffer header
  2. Buffer loader
  3. Buffer controller
  4. Buffer manager
MCQ: 2152

Precomputation of the data cube helps increase in

  1. Testing query
  2. Speed up query
  3. Runtime of query
  4. Compile time of query
MCQ: 2153

The query processor component of the database system translates

  1. Algorithms
  2. Procedures
  3. Functions
  4. Queries
MCQ: 2154

A relation can be known as a subset of a Cartesian product of a set of

  1. Domains
  2. Models
  3. Modules
  4. Processes
MCQ: 2155

The physical features of a database are specified at the phase

  1. Contextual-design phase
  2. Virtual-design phase
  3. Physical-design phase
  4. Logical-design phase

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