The most common source of change data in refreshing a data warehouse is__________.

Related MCQs

• Which of the following statements is not true about refreshing a data warehouse
• Source data from the warehouse comes from ___________.
• Which of the following is a data store that is a subsidiary of a data warehouse of integrated data
• The data from the operational environment enter ........................ of data warehouse.
• Data warehouse contains ................ data that is never found in the operational environment.
• The _______ data are stored in data warehouse.
• A data warehouse is said to contain a time-varying collection of data because ___.
• A data warehouse is an integrated collection of data because _____.
• Which of the following features usually applies to data in a data warehouse
• The .................. allows the selection of the relevant information necessary for the data warehouse.