What is data warehouse and types?

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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. 16 апр. 2022 г.

What is data warehouse with example?

Databases provide real-time data, while warehouses store data to be accessed for big analytical queries. Data warehouse is an example of an OLAP system or an online database query answering system. OLTP is an online database modifying system, for example, ATM. Learn more about the OLTP vs.

What are the types of data warehouse architectures?

Three common architectures are: Data Warehouse Architecture: Basic. Data Warehouse Architecture: With Staging Area. Data Warehouse Architecture: With Staging Area and Data Marts.

What is in a data warehouse?

A typical data warehouse often includes the following elements: A relational database to store and manage data. An extraction, loading, and transformation (ELT) solution for preparing the data for analysis. Statistical analysis, reporting, and data mining capabilities.

Which is not a type of data warehouse?

Que.Which one is not a kind of data warehouse applicationb.Analytical processingc.Transaction processingd.Data miningAnswer:Transaction processing

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