Database Question Answers - Chapter 1

• 15. The logical structure with one to many relationships is a

  1. network
  2. tree
  3. chain
  4. relational

  Answer And Explanation

  Answer: Option B

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• 16. Which normal form is considered adequate for normal relational database design

  1. 2NF
  2. 5NF
  3. 3NF
  4. 4NF

  Answer And Explanation

  Answer: Option C

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• 17. Transaction processing was made possible by the development of

  1. direct access storage
  2. magnetic tape
  3. cash register input
  4. minicomputers

  Answer And Explanation

  Answer: Option A

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• 18. Physical location of a record in database is determined with the help of

  1. B tree file
  2. Indexed file
  3. Hashed file
  4. sequential file

  Answer And Explanation

  Answer: Option C

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• 19. Modify operation is likely to be done after

  1. Delete
  2. Lookup
  3. Indexing
  4. Insertion

  Answer And Explanation

  Answer: Option B

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• 20. Which among following is not a relational database

  1. dBase IV
  2. 4th Dimention
  3. FoxPro
  4. Reflex

  Answer And Explanation

  Answer: Option D

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• 21. Fragmentation of a file system

  1. Can always be prevented
  2. occurs only is file is not used properly
  3. Can be temporarily removed by compaction
  4. None of above

  Answer And Explanation

  Answer: Option C

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