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Question | Answer |
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business intelligence (BI) systems do which of the following? | both A and B -- analyze current and past activities. &&& Predict future events. |
BI systems fall into which of the following categories? | both B and C. reporting and data mining |
BI systems obtain their data by which of the following means? | All of the above. read and process data from operational database. process extracts from operational database. process data purchased from data vendors. |
BI reporting systems can do which of the following operations? | Both A and B. Filter data, group data |
one BI reporting system that uses extensions to SQL is: | OLAP |
Data mining applications are used to accomplish which of the following tasks? | E. all of the above. Perform what-if analysis, make predictions, facilitate decision making. |