B usiness intelligence has advanced dramatically, and many are taking advantage of data warehousing. It is essential to analyze and harness all the data to become successful and efficient with the newfound business intelligence power. Suppose you need to enter the data warehouse. In that case, you must put the information in a data warehouse as it is ample data storage collected from multiple sources within the business. A data warehouse typically used for certification in data analytics work while leaving the transactional data is also known as OLAP systems which frees you from focusing on the transactions. There are many ways to go for data warehousing. The main question is why people or an organization should build a data warehouse? The answer is here with a proper explanation. When all the data is gathered in one place, it will be beneficial to have a data warehouse. However, it is certainly not the one benefit as there are many benefits of it, and a few of the data warehousin