Reference no: EM133049058
Q1. Operational data and decision support data serve the same purpose. True False
Q2. _____ tools focus on the strategic and tactical use of information.
- Networking
- Relational database management
- Business
- Business intelligence
Q3. Controlled redundancy is allowed in creating Fact tables in data warehouse
True
False
Q4. _____ provide a unified, single point of entry for information distribution.
- Dashboards
- Decision support systems
- Data warehouses
- Portals
Q5. From a data analyst's point of view, decision support data differ from operational data in three main areas: time span, granularity, and _____.
a. usability
b. transaction processing
c. dimensionality
d. sparsity
Q6. Business intelligence is a framework that allows a business to transform data into information, information into knowledge, and knowledge into wisdom.
True
False
Q7. One of the main sources of creating info cubes in an organization's data warehouse is the operational database of the same organization.
True
False
Q8. Business intelligence (BI) architecture is composed of data, people, processes, and technology working together to facilitate and enhance a business's management and governance.
True
False
Q9. In the star schema, dimensions are allowed to have hierarchical structures
True
False
Q10. Data warehouse data are organized and summarized by table, such as CUSTOMER and ADDRESS.
True
False