4. Investigation into Data warehouses vs. transactional databases
We witnessed the explosion of data and stored data, doubles in every three years. We are drowned by data and we need intelligent ways of structuring data. Traditional databases are not good enough to analyze these dynamically growing and large-scale data to make accurate and prompt decisions. Data warehousing is one of new techniques especially designed for online analysis. Data warehousing provides infrastructure and functions for business managers to systematically analyze their customer data to make strategic decisions. It provides OLAP (On-Line Analytical Processing) tools to analyze subject-oriented, integrated, time-variant and non-volatile data.
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