Selection Operation in DBMS MCQs Quiz Online PDF Download

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MCQs on Selection Operation in DBMS Quiz PDF Download

MCQ: In Linear search, an initial seek is required to access file's

  1. First Primary index
  2. First Secondary index
  3. First Block
  4. First Nonkey

C

MCQ: Index structures are referred to as

  1. Index scans
  2. Access paths
  3. Nature of operation
  4. Seek paths

B

MCQ: Search operation algorithms, using an index are known to be

  1. Linear scans
  2. Operational scans
  3. Index scans
  4. Path scans

C

MCQ: An A1-search algorithm is applicable to any file, despite of file's ordering or

  1. Nature of selection operation
  2. Availability of indices
  3. Availability of access paths
  4. Both A and B

D

MCQ: A2 search algorithm does an

  1. Equality comparison
  2. Inequality comparison
  3. No comparison
  4. Nonkey comparison

A