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Showing posts with the label Data Warehouse

Difference Between SSD and HDD – Which One is Better?

In today's time, whenever you go to buy a new computer or laptop, a question definitely comes up - should you buy SSD or HDD? Both are storage devices in which your data such as files, photos, videos, software and operating system are saved. But there are many differences between the two, which make a difference in performance, price and life. In this blog, we will know in great detail what is the difference between SSD and HDD, what are their advantages and disadvantages, and which one will be better for you. What are SSD and HDD? HDD (Hard Disk Drive) HDD is an old and long-standing storage technology. It has a rotating magnetic disk and a read/write head inside to store data. It works exactly like data was read from a CD or gramophone. HDD is also called mechanical drive because it has moving parts. It was invented in 1956. SSD (Solid State Drive) SSD is a new and fast storage technology. It has no moving parts. It saves data in NAND flash memory chips, just like...

What Is a Data Warehouse?

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A data warehouse is a centralized repository that stores structured and semi-structured data from various sources within an organization. Think of it as a single, comprehensive source of truth for all your business data. Key Characteristics of a Data Warehouse: Centralized: Information is combined from several sources into one cohesive place, such as web servers, social media, point-of-sale (POS) systems, and customer relationship management (CRM) systems. Subject-Oriented: Rather than being arranged according to departmental silos or applications, data is arranged according to certain business subjects, such as clients, goods, sales, and finance. Integrated: To guarantee data accuracy and uniformity throughout the company, data from several sources is combined into a common format. Time-Variant: By storing historical data, data warehouses provide forecasting, trend analysis, and a knowledge of how company performance has changed over time. Read-Only: Analysis and reporting are the m...

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