___________ is data collected from natural systems.

Related MCQs

• The important aspect of the data warehouse environment is that data found within the data warehouse is___________.
• Data marts that incorporate data mining tools to extract sets of data are called ______.
• The most common source of change data in refreshing a data warehouse is _______.
• ______________ is data about data.
• The data from the operational environment enter _______ of data warehouse.
• The data Warehouse is__________.
• A data warehouse is _____________.
• The generic two-level data warehouse architecture includes __________.
• The active data warehouse architecture includes __________
• Reconciled data is ___________.