What are data marts? How do they differ from data warehouses?
Answer to relevant QuestionsRetail 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 ...A retailer of household products maintains a data warehouse. In addition to data from sales trans-actions, the retailer also purchases and maintains in the warehouse daily weather data. What might be the reason?Spreadsheets have become quite powerful for data management. What can be done with data base management systems that cannot be done with spreadsheet applications? Give several examples.What is HTML, and why is it needed to use the web? What is HTML5 and how does it differ from previous versions?When selecting a web hosting company, one of the important factors to consider is uptime ratio. What is it, and why is it important?
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