Dwh

https://www.ionos.com/.../dwh-what-is-a-data-warehouse
According to its definition a data warehouse DWH is a data bank system separate from an operative data handling system in which data from different sometimes even very heterogeneous sources is compressed and archived for the long term

https://www.guru99.com/data-warehousing.html
Data Warehouse DWH is also known as an Enterprise Data Warehouse EDW A Data Warehouse is defined as a central repository where information is coming from one or more data sources Three main types of Data warehouses are Enterprise Data Warehouse EDW Operational Data Store and Data Mart

https://www.tutorialspoint.com/dwh
Quick Guide A data warehouse is constructed by integrating data from multiple heterogeneous sources It supports analytical reporting structured and or ad hoc queries and decision making This tutorial adopts a step by step approach to explain all the necessary concepts of data warehousing

https://www.astera.com/type/blog/what-is-data-warehousing
Data stored in the DWH differs from data found in the operational environment It is organized so that relevant data is clustered to facilitate day to day operations data analysis and reporting This helps determine the trends over time and allows users to create plans based on that information

https://www.itransition.com/blog/building-a-data-warehouse
With reliance on a trustworthy BI vendor with solid domain expertise tangible data warehouse benefits will not take long to appear We overview the process of building a data warehouse DWH including architectural approaches key steps talents required software and best practices

https://azure.microsoft.com/en-us/resources/cloud...
A data warehouse is a centralized repository that stores structured data database tables Excel sheets and semi structured data XML files webpages for the purposes of reporting and analysis The data flows in from a variety of sources such as point of sale systems business applications and relational databases and it is usually cleaned

https://aws.amazon.com/what-is/data-warehouse
A data warehouse is a central repository of information that can be analyzed to make more informed decisions Data flows into a data warehouse from transactional systems relational databases and other sources typically on a regular cadence Business analysts data engineers data scientists and decision makers access the data through business

https://www.databricks.com/glossary/data-warehouse
A data warehouse is a data management system that stores data from multiple sources in a business friendly manner for easier insights and reporting

https://towardsdatascience.com/guide-to-data-warehousing-6fdcf30b6fbe
In this guide I ll try to cover several methodologies explain their differences and when and why in my point of view one is better than the other and maybe introduce some tools you can use when modeling DWH Data Warehouse or