What is DataWarehouse?

What is meant by data warehousing?

Data Warehouse Defined 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.

What is data warehouse with example?

The data warehouse (DWH) is a repository of an organization's electronically stored data extracted from operational systems and made available for ad-hoc queries and scheduled reporting. In contrast, the process of building a data warehouse entails constructing and using a data model that can quickly generate insights.

What is a data warehouse used for?

A data warehouse is specially designed for data analytics, which involves reading large amounts of data to understand relationships and trends across the data. A database is used to capture and store data, such as recording details of a transaction.

What are the types of data warehouse?

The three main types of data warehouses are enterprise data warehouse (EDW), operational data store (ODS), and data mart.Enterprise Data Warehouse (EDW) An enterprise data warehouse (EDW) is a centralized warehouse that provides decision support services across the enterprise. ... Operational Data Store (ODS) ... Data Mart.Data Warehouse - Overview, History, Types, How It Works