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Data Warehousing for Big Data: Benefits, Challenges, and Solutions
In this article, the focus is on data warehousing’s vital role in contemporary data strategies, particularly in the era of big data. Data warehouses serve as centralized repositories, allowing organizations to analyze large volumes of diverse data, providing valuable historical records for informed decision-making. The article outlines four key characteristics of data warehouses, emphasizing their subject-oriented, integrated, nonvolatile, and time-variant nature. It delves into the benefits of data warehousing and explores its applications across various fields. Challenges in big data warehousing, such as scalability, data variety, ingestion, processing, security, and governance, are addressed, accompanied by innovative solutions. The article concludes by highlighting the importance of data warehousing in unlocking the potential of big data for strategic decision-making and business intelligence in the data-driven age.