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The logical structure with one to many relationships is a

  • network
  • tree
  • chain
  • relational
Similar Questions :

1. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion

2. 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

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

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

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
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