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Selection Operation in SQL App Download | Database Systems MCQ PDF e-Book

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Selection Operation in SQL MCQ (Multiple Choice Questions) PDF Download

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The MCQ: The lowest-level operator in query-processing to access data, is "Selection Operation in SQL" App Download [Free] with answers: pointers, locators, indices, and file scan for online computer science degrees. Practice Selection Operation in SQL Quiz Questions, download Apple eBook (Free Sample) for applied computer science.

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Selection Operation in SQL Questions and Answers PDF Download

MCQ: 1

The lowest-level operator in query-processing to access data, is

  1. Pointers
  2. Locators
  3. Indices
  4. File scan
MCQ: 2

File scans are algorithms for searching that is used to locate and retrieve records, fulfilling a

  1. Projection condition
  2. Selection condition
  3. Hashing condition
  4. Evaluation plan condition
MCQ: 3

The A1 way of performing a selection operation is known as

  1. Composite Search
  2. Uniform Search
  3. Linear Search
  4. Dynamic Search
MCQ: 4

In the A1 search, to satisfy the selection operation the system scans each file block and tests

  1. Secondary index
  2. All records
  3. Primary index
  4. Equality on nonkey
MCQ: 5

File scans are algorithms for

  1. Searching
  2. Locating
  3. Retrieving
  4. Indexing

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Selection Operation in SQL MCQ App (Android & iOS)

Selection Operation in SQL MCQ App

Selection Operation in SQL MCQ App (iOS & Android)

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