What has caused the growth of the demand for instant, on-demand access to dispersed information?
A) the increasing divide between users who focus on the strategic level and those who are more oriented to the tactical level
B) the need to create a database infrastructure that is always online and contains all the information from the OLTP systems
C) the more pressing need to close the gap between the operational data and strategic objectives
D) the fact that BI cannot simply be a technical exercise for the information systems department
Answer: C
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Big Data
- Big Data | True and False
- All of the following are true about in-database processing technology EXCEPT
- How does the use of cloud computing affect the scalability of a data warehouse?
- Which of the following statements is more descriptive of active data warehouses in contrast with traditional data warehouses?
- Active data warehousing can be used to support the highest level of decision making sophistication and power. The major feature that enables this in relation to handling the data is
- Which of the following online analytical processing (OLAP) technologies does NOT require the precomputation and storage of information?
- When querying a dimensional database, a user went from summarized data to its underlying details. The function that served this purpose is
- When representing data in a data warehouse, using several dimension tables that are each connected only to a fact table means you are using which warehouse structure?
- All of the following are benefits of hosted data warehouses EXCEPT
- Data warehouses provide direct and indirect benefits to using organizations. Which of the following is an indirect benefit of data warehouses?
- In which stage of extraction, transformation, and load (ETL) into a data warehouse are anomalies detected and corrected?
- In which stage of extraction, transformation, and load (ETL) into a data warehouse are data aggregated?
- Which approach to data warehouse integration focuses more on sharing process functionality than data across systems?
- Which data warehouse architecture uses a normalized relational warehouse that feeds multiple data marts?
- Which data warehouse architecture uses metadata from existing data warehouses to create a hybrid logical data warehouse comprised of data from the other warehouses?
- Which of the following BEST enables a data warehouse to handle complex queries and scale up to handle many more requests?
- A Web client that connects to a Web server, which is in turn connected to a BI application server, is reflective of a
- All of the following statements about metadata are true EXCEPT
- Which kind of data warehouse is created separately from the enterprise data warehouse by a department and not reliant on it for updates?
- Operational or transaction databases are product oriented, handling transactions that update the database. In contrast, data warehouses are
- The "single version of the truth" embodied in a data warehouse such as Capri Casinos' means all of the following EXCEPT
- Big Data often involves a form of distributed storage and processing using Hadoop and MapReduce. One reason for this is
- Which of the following statements about Big Data is true?
- Prescriptive BI capabilities are viewed as more powerful than predictive ones for all the following reasons EXCEPT
- How are descriptive analytics methods different from the other two types?