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Database Systems MCQs – Practice Test 7 (Chapter 18)

Query Processing Quiz with Answers PDF Download – Test 7

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Learn Query Processing Quiz Questions and Answers PDF for DBMS online curriculum. Download the Query Processing Quiz PDF e-Book, Ch. 18-7 to study Database Systems Course. Practice Selection Operation in SQL MCQs, Query Processing MCQ questions and answers PDF for DBMS online curriculum. Free Query Processing Learning App: Download the Database Systems Quiz App to study selection operation in query processing, selection operation in dbms, dbms: selection operation career test to strengthen digital DBMS.

Download the "Query Processing Quiz" App (Android & iOS): In the A1 search, to satisfy the selection operation the system scans each file block and tests; MCQ with answers: all records, secondary index, primary index, and equality on nonkey. Study Database Languages Quiz Questions, download Google Book (Free Chapter) for DBMS online curriculum.

Query Processing Quiz – Practice Test 7 PDF Download

MCQ 31: The A1 way of performing a selection operation is known as:

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

MCQ 32: 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 33: Multiple records can be retrieved by using the:

  1. Secondary index
  2. Primary index
  3. Cluster index
  4. Scrub index

MCQ 34: Search operation algorithms, using an index are known to be:

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

MCQ 35: In A4 search, if only one record is retrieved, the time cost calculated will be same as that for:

  1. A1
  2. A2
  3. A3
  4. A5

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