August 2009
Intermediate to advanced
893 pages
26h 48m
English
Content preview from Database Systems: Concepts, Design and Applications
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State True/False
| 1. | In a data warehouse, data once loaded is not changed. |
| 2. | Metadata is data about data. |
| 3. | A data warehouse is a collection of computer-based information that is critical to successful execution of organisation’s initiatives. |
| 4. | Data in a data warehouse differ from operational systems data in that they can only be read, not modified. |
| 5. | Data warehouse provides storage, functionality and responsiveness to queries beyond the capabilities of transaction-oriented databases. |
| 6. | As the end-user computing was emerging, the computing started shifting from a business-driven information technology strategy to a data-processing approach. |
| 7. | In the data warehouse structure, operational data and processing is completely separate from data warehouse ... |