Database Question Answers - Chapter 1

• 22. Which is a type of DBMS software

  1. utilities
  2. query language
  3. report writer
  4. All of above

  Answer And Explanation

  Answer: Option D

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• 23. Large collection of files are called

  1. fields
  2. Records
  3. Database
  4. Sectors

  Answer And Explanation

  Answer: Option C

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• 24. In order to use a DBMS, it is important to understand

  1. the physical schema
  2. all subschemas
  3. one sub schema
  4. none of above

  Answer And Explanation

  Answer: Option C

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• 25. Data dictionary is a special file that contains

  1. the names of all fields in all files
  2. the data types of all fields of all files
  3. Both of above
  4. None of above

  Answer And Explanation

  Answer: Option B

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• 26. Two basic types of record access methods are

  1. sequential and random
  2. direct and immediate
  3. sequential and indexed
  4. online and real time

  Answer And Explanation

  Answer: Option A

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• 27. Secondary index can be related with

  1. Function dependency
  2. B tree
  3. Domain calculus
  4. Relational algebric operators

  Answer And Explanation

  Answer: Option B

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• 28. Natural join can be related with

  1. Function dependency
  2. B tree
  3. Domain calculus
  4. Relational algebric operators

  Answer And Explanation

  Answer: Option D

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