What is the relationship between a website's local search engines and online databases?

What is a data warehouse? How is it different from a transactional database?

What are data marts? How do they differ from data warehouses?

Retail chains want to ensure that every time a customer returns to purchase something, the record of that purchase can be matched with previous data of that customer. What objects that consumers often use help the retailers in that

regard?

The combination of RFID and database technology enables retailers to record data about consumers

even when they have not purchased anything at the store. Can you think of an example and how the data could be used?

Consider the following statement: Database management systems and data-warehousing techniques are the greatest threat to individual privacy in modern times. What do you believe are the issues associated with the consolidation and gathering of private-industry data (discussed in the Ethical & Societal section) by the federal government?

Organizations whose websites offer visitors some control of how their personal information is collected and used offer one of two options: "optout" or "opt in." Explain each term?

Big Data is gaining popularity in business organizations. How would the concept of Big Data alter the perspective of what type of data is stored and the challenges it poses? Consider the various sources outlined in the chapter for gathering data?

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