What are the principal tools and technologies for accessing information from databases to improve business performance and decision making?

a) Define big data and describe the technologies for managing and analyzing it.

b) List and describe the components of a contemporary business intelligence infrastructure.

c) Describe the capabilities of online analytical processing (OLAP).

d) Define data mining, describing how it differs from OLAP and the types of information it provides.

e) Explain how text mining and web mining differ from conventional data mining.

f) Describe how users can access information from a company’s internal databases through the web.