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Data dictionary is a special file that contains

  • the names of all fields in all files
  • the data types of all fields of all files
  • Both of above
  • None of above
Similar Questions :

1. Non procedural query language can be related with

  • Function dependency
  • B tree
  • Domain calculus
  • Relational algebric operators

2. Secondary index can be related with

  • Function dependency
  • B tree
  • Domain calculus
  • Relational algebric operators

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. Fragmentation of a file system

  • Can always be prevented
  • occurs only is file is not used properly
  • Can be temporarily removed by compaction
  • None of above

5. Network structure

  • is a physical representation of data
  • is conceptually simple
  • allows many to many relationships
  • none of above
Read more from - Database Question Answers - Chapter 1
Post a comment

  • vaibes 4 years ago

    tHE ansWER FOR 24Q SHOULD BE C NOT B

  • lucky 7 years ago

    Answer should be C. Both of the above.