Database Question Answers - Chapter 1

• 15. Network structure

  1. is a physical representation of data
  2. is conceptually simple
  3. allows many to many relationships
  4. none of above

  Answer :

  Option C

• 16. Allocation map

  1. Used to store program data
  2. specifies which blocks are used by which file
  3. is updated by application programs
  4. allow programs to erase files

  Answer :

  Option B

• 17. Modify operation is likely to be done after

  1. Delete
  2. Lookup
  3. Indexing
  4. Insertion

  Answer :

  Option B

• 18. Data dictionary is a special file that contains

  1. the names of all fields in all files
  2. the data types of all fields of all files
  3. Both of above
  4. None of above

  Answer :

  Option B

• 19. Which among following is not a relational database

  1. dBase IV
  2. 4th Dimention
  3. FoxPro
  4. Reflex

  Answer :

  Option D

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

  1. MIS
  2. Structured programming
  3. CODASYL specifications
  4. None of above

  Answer :

  Option C

• 21. File record length

  1. should always be fixed
  2. should always be variable
  3. should be chosen to match the data character
  4. depends upon the size of file

  Answer :

  Option D