Question Detail

Which is not a logical database structure

  • Chain
  • Tree
  • Relational
  • Network
Similar Questions :

1. Embedded pointer provides

  • a secondary access path
  • a physical record key
  • an inverted index
  • all of above

2. RAID configurations of a disk are used to provide

  • fault tolerance
  • high speed
  • high data density
  • none of above

3. File record length

  • should always be fixed
  • should always be variable
  • should be chosen to match the data character
  • depends upon the size of file

4. Which among following SQL commands is used to add a row

  • UPDATE
  • TRUNCATE
  • INSERT
  • ADD

5. Data item characteristics that are important in data management include

  • punctuation
  • language
  • spelling
  • width
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