Data Warehousing

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What is Data Warehousing and what is its purpose?
What are Data Warehousing problems/changes?
What is Data Mart?
What is Data Mining and its purpose?

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Data Warehousing

Data warehousing is the electronic storage of a large amount of information by a business or organization. A data warehouse is designed to run a query and analysis on historical data derived from transactional sources for business intelligence and data mining purposes. Data warehousing is used to provide greater insight into the performance of a company by comparing data consolidated from multiple heterogeneous sources. For example, a data warehouse might incorporate customer information from a company’s point-of-sale systems, its website, its mailing lists and its comment cards. In a data warehouse, data is coming from multiple sources within an organization. Inconsistent data, duplicates, and missing data all result in data quality challenges. These quality challenges can result in faulty reporting and analytics necessary for optimal decision-making. Data mining is the process of uncovering patterns and finding anomalies and relationships in large datasets that can be used to make predictions about future trends. The main purpose of data mining is extracting valuable information from available data.

crucial in many sectors of the Economy and provides millions of jobs throughout the world to small and large businesses who rely on the exportation of their products in order to thrive. However, producers are not the only ones who benefit from trade. Foreign competition helps reduce prices for consumers and gives the people a broader variety of products and services to choose from.
Due to the rise of globalization and industrialization in the recent decades, there has been a surge in international trade. The number of multinational companies has increased tenfold because people are now more aware of the different products being offered around the market. This has resulted in remarkable economic development around the globe. By selling oversees, companies have been able to achieve unforeseen levels of growth, that would have been impossible to reach, had they only been selling domestically. The growth that can be seen not only benefits the countries and the companies that partake, but also the people they employ. Due to the increase in demand of a product that is being sold overseas, companies hire more workers. By providing more jobs the economic stability of a country is improved, creating a better standard of living
Countries gain economically by trading. Why would a country produce something when it could be acquired at a lower cost somewhere else? Due to their geographical and technological differences, countries focus on producing in their area of expertise. Some countries are more efficient at producing certain products than other countries and in these scenarios, trade plays a crucial role. A great example is Saudi Arabia, who leads in the production of oil, accounting for 17% of the world’s exports, but lacks the climate to produce oranges. Without international trade, Saudi Arabians would be unable to acquire their oranges from Brazil, whose climate is ideal for orange growth. Through trade, countries have access to foreign resources they cannot produce, such as certain natural resources, and agricultural produces. In other words, global trades make resources available that could not be domestically produced. However, n

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