5. An operational system is a system that is used to run the business in real time and is based on current data. True False 6. If an organization has a strong business justification for a Datawarehouse, that by itself is enough to show readiness for the project True False 7. Data warehouses exist separate from the operational systems True False 8. The extract/transform/ load process is the process which populates the data warehouse True False 9. OLTP is suitable for reporting tasks True False 10. The business meaning of a fact table row is known as a dimension True False 11. The business meaning of a fact table row is known as a fact table grain. True False 12. A dimensional data model is optimized for maximum query performance / ease of use True False 13. A fact is a business performance measurement True False 14. Star Schema is a connection among facts and dimensions which define a business process True False 15. The star schema is a relational database implementation of a dimensional model True False