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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
Similar Questions :

1. Which among following is an approach for standardizing storing of data

  • MIS
  • Structured programming
  • CODASYL specifications
  • None of above

2. Which is not a logical database structure

  • Chain
  • Tree
  • Relational
  • Network

3. The command that adds a new field to an active database is

  • MODIFY LABEL
  • MODIFY COMMAND
  • MODIFY STRUCTURE
  • MODIFY REPORT

4. Embedded pointer provides

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

5. The master list of an indexed file

  • is sorted in ascending order
  • contains only a list of keys and record numbers
  • has a number assigned to each record
  • none of above
Read more from - Database Question Answers - Chapter 1
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