Question Detail

Natural join can be related with

  • Function dependency
  • B tree
  • Domain calculus
  • Relational algebric operators
Similar Questions :

1. Data management system may be implemented as

  • system software
  • application software
  • computer program
  • all of above

2. Embedded pointer provides

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

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

4. The master list of an indexed file

  • is sorted in ascending order
  • contains only a list of keys and record numbers
  • has a number assigned to each record
  • none of above

5. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion
Read more from - Database Question Answers - Chapter 1