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Transaction processing was made possible by the development of

  • direct access storage
  • magnetic tape
  • cash register input
  • minicomputers
Similar Questions :

1. 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

2. RAID configurations of a disk are used to provide

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

3. Related fields in a data base are grouped to form

  • data file
  • data record
  • menu
  • bank

4. Non procedural query language can be related with

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

5. 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
Read more from - Database Question Answers - Chapter 1
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