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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. Administrative supervision of database activities is responsibility of

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

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. In context of database DML Means

  • Data Multiplication Line
  • Data Manupulation Language
  • Data Method Limit
  • Data Merit Logic

4. Secondary index can be related with

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

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