download Mastguru Android App

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. The logical structure with one to many relationships is a

  • network
  • tree
  • chain
  • relational

2. 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

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

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

4. Natural join can be related with

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

5. Large collection of files are called

  • fields
  • Records
  • Database
  • Sectors
Read more from - Database Question Answers - Chapter 1
Post a comment

  • priyangka 4 years ago

    PDA stands for

    Rav 4 years ago replied

    personal digital assistance

  • Asad Ali Jogi 7 years ago

    which interrupts are initiated by an i/o drive?