Question Detail

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
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

2. 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

3. Which among following is not a relational database

  • dBase IV
  • 4th Dimention
  • FoxPro
  • Reflex

4. Administrative supervision of database activities is responsibility of

  • Database administrator
  • DP Manager
  • DB Manager
  • None of above

5. Attribute of one table matching to the primary key of other table, is called as

  • foreign key
  • secondary key
  • candidate key
  • composite key
Read more from - Database Question Answers - Chapter 1