What is the difference between data warehouse and big data?
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Amen Answered question 22/02/2023
A data warehouse is a centralized repository of data that is used for analysis and reporting.
It is designed to support the business intelligence process, which involves extracting useful insights from data to inform decision-making.
A data warehouse is typically used to store structured data from various sources, such as sales data, customer data, and inventory data. The data is cleaned, transformed, and loaded into the warehouse to ensure consistency and accuracy. The primary focus of a data warehouse is to provide fast and easy access to historical data to support reporting and analysis.
Big data, on the other hand, refers to the large and complex sets of data that are difficult to process using traditional data processing techniques.
Big data typically includes both structured and unstructured data, such as text, images, and videos.
The volume, velocity, and variety of big data make it challenging to store, process, and analyze using traditional data warehousing methods.
Big data technologies such as Hadoop, Spark, and NoSQL databases are used to store and process big data.
In summary, data warehouses are used to store and manage structured data for analysis and reporting, while big data refers to the large and complex sets of both structured and unstructured data that require specialized tools and techniques to store, process, and analyze.
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Amen Answered question 22/02/2023