Exam 8: Databases-Business Intelligence

Association ___________ reveals the relationship between variables along with the nature and frequency of the relationships.

Data-mining tools use a variety of techniques to find patterns and relationships in large volumes of information that predict future behaviour and guide decision making.

Which of the following is true in regards to the elimination of redundant data?

Data mining is the process of analysing data to extract information not offered by the raw _______ alone.

Which of the below defines the relationship between variables along with the nature and frequency of the relationship?

If a manager identifies numerous data integrity issues he should consider the reports generated from that data as invalid and not use them when making decisions.

What encompasses all organisational information and its primary purpose is to support the performing of managerial analysis tasks?

Which of the following illustrates the primary concepts of the relational database model?

Which of the following is not a common form of data mining?

Extraction,transformation and ___________ is a process that extracts information from internal and external databases,transforms it using a common set of enterprise definitions and loads it into a data warehouse.

What is the primary tool that retrieves information and helps users graphically design the answer to a question?

Identify the advantages of using business intelligence to support managerial decision making.

Many organisations find themselves in the position of being data rich and information poor.Even in today's electronic world,managers struggle with the challenge of turning their business data into business intelligence.

What is a primary key?

Which of the following forms of data mining assigns records to one of a predefined set of classes?

All of the following are business-critical integrity constraints,except

Zappos is an online shoe retailer that built its data-driven website catering to a specific niche market-consumers who were tired of finding that their most-desired items were always out of stock at traditional retailers.

Which of the following is not an example of an advantage to using the web to access organisational databases?

Why do relational databases use primary keys and foreign keys?

Define data mining,and explain the three common forms for mining structured and unstructured data.