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Database Systems: Concepts, Design and Applications by S. K. Singh

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Tick (✓) the Appropriate Answer

1.Which of the following is a characteristic of the data in a data warehouse?
  1. Non-volatile.

  2. Subject-oriented.

  3. Time-variant.

  4. All of these.

2.Data warehouse is a special type of database with a
  1. Single archive of data.

  2. Consistent archive of data.

  3. Complete archive of data.

  4. All of these.

3.Data warehouses extract information for strategic use of the organisation in reducing costs and improving revenues, out of
  1. legacy systems.

  2. secondary storage.

  3. main memory.

  4. None of these.

4.The advancements in technology and the development of microcomputers (PCs) along with data-orientation in form of relational databases, drove the emergence of end-user computing during
  1. 1970s and 1980s.

  2. 1980s and 1990s.

  3. 1990s and 2000s.

  4. the start of the 21st ...

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