Why Data Warehouse is important for an organization i.e. what the compelling need for data warehousing is? I need answer in 4 pages.
Answers
Answer:
Scheduled data integration, or ETL, is an important aspect of warehousing because it consolidates data from multiple sources and transforms it into a useful format. This allows the user to easily access data from one interface, lessening the reliance on your IT teaam.
A logical collection of information- gathered from many different operational databases- that supports business analysis activities and decision-making tasks.
A data warehouse is a system that stores data from a company's operational databases as well as external sources. Data warehouse platforms are different from operational databases because they store historical information, making it easier for business leaders to analyze data over a specific period of time.
A data warehouse is a type of data management system that is designed to enable and support business intelligence (BI) activities, especially analytics. Data warehouses are solely intended to perform queries and analysis and often contain large amounts of historical data.
Data warehouse allows users to access critical data from the number of sources in a single place. Therefore, it saves user's time of retrieving data from multiple sources. Data warehouse stores a large amount of historical data. This helps users to analyze different time periods and trends to make future predictions.