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Allocation map

  • Used to store program data
  • specifies which blocks are used by which file
  • is updated by application programs
  • allow programs to erase files

Answer: Option B

Similar Questions :

1. Transaction processing was made possible by the development of

  • direct access storage
  • magnetic tape
  • cash register input
  • minicomputers

Answer: Option A

2. Data management system may be implemented as

  • system software
  • application software
  • computer program
  • all of above

Answer: Option D

3. Embedded pointer provides

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

Answer: Option A

4. 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

Answer: Option D

5. Which among following contains a complete record of all activity that affected the contents of a database during a creation period of time

  • report writer
  • query language
  • DML
  • transaction log

Answer: Option D

Read more from - Database Question Answers - Chapter 1
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