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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

Similar Questions :

1. Large collection of files are called

  • fields
  • Records
  • Database
  • Sectors

Answer: Option C

2. Data dictionary tell DBMS

  • what files are in the database
  • what attributes are processed by data
  • what these files contain
  • all of above

Answer: Option D

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

Answer: Option B

4. Physical location of a record in database is determined with the help of

  • B tree file
  • Indexed file
  • Hashed file
  • sequential file

Answer: Option C

5. 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

Read more from - Database Question Answers - Chapter 1
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