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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

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. Embedded pointer provides

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

Answer: Option A

3. The command that adds a new field to an active database is

  • MODIFY LABEL
  • MODIFY COMMAND
  • MODIFY STRUCTURE
  • MODIFY REPORT

Answer: Option C

4. Non procedural query language can be related with

  • Function dependency
  • B tree
  • Domain calculus
  • Relational algebric operators

Answer: Option C

5. Secondary index can be related with

  • Function dependency
  • B tree
  • Domain calculus
  • Relational algebric operators

Answer: Option B

Read more from - Database Question Answers - Chapter 1
Post a comment

  • priyangka 9 years ago

    PDA stands for

    Rav 9 years ago replied

    personal digital assistance

  • Asad Ali Jogi 11 years ago

    which interrupts are initiated by an i/o drive?

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