What are the 3 characteristics of data warehouse?

Question

The key characteristics of a data warehouse are as follows: Some data is denormalized for simplification and to improve performance. Large amounts of historical data are used. Queries often retrieve large amounts of data. Both planned and ad hoc queries are common. The data load is controlled.

What are the three main components of a data warehouse?

What are the key components of a data warehouse? A typical data warehouse has four main components: a central database, ETL (extract, transform, load) tools, metadata, and access tools. All of these components are engineered for speed so that you can get results quickly and analyze data on the fly.

What are the three data warehouse models?

5 Data Warehouse Models: Enterprise Warehouse, Data Mart, and Virtual Warehouse. From the architecture point of view, there are three data warehouse models: the enterprise warehouse, the data mart, and the virtual warehouse.

What are the characteristics of data warehouse quizlet?

A data warehouse is a subject-oriented, integrated, time-variant, and non-volatile collection of data in support of management's decision making process.

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