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Which command is used to set a link between two database files

  • JOIN
  • UPDATE
  • BROWSE
  • SET RELATION
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1. RAID configurations of a disk are used to provide

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

2. 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

3. Ascending order of data hierarchy is

  • bit->byte->record->field->file->database
  • bit->byte->field->record->file->database
  • byte->bit->field->record->file->database
  • byte->bit->field->file->record->database

4. Which is not a logical database structure

  • Chain
  • Tree
  • Relational
  • Network

5. If a relation scheme is in BSNF then it is also in

  • First normal form
  • Second normal form
  • Third normal form
  • Not in any normal form
Read more from - Database Question Answers - Chapter 1
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