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Data dictionary is a special file that contains

  • the names of all fields in all files
  • the data types of all fields of all files
  • Both of above
  • None of above

Answer: Option B

Similar Questions :

1. Data dictionary is a special file that contains

  • the names of all fields in all files
  • the data types of all fields of all files
  • Both of above
  • None of above

Answer: Option B

2. 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

3. RAID configurations of a disk are used to provide

  • fault tolerance
  • high speed
  • high data density
  • none of above

Answer: Option A

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

Answer: Option C

5. In order to use a DBMS, it is important to understand

  • the physical schema
  • all subschemas
  • one sub schema
  • none of above

Answer: Option C

Read more from - Database Question Answers - Chapter 1