What is in a data warehouse?

Question

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.

What do data warehouses contain?

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.

What are the 5 components of data warehouse?

There are mainly 5 components of Data Warehouse Architecture: 1) Database 2) ETL Tools 3) Meta Data 4) Query Tools 5) DataMarts.

What kind of data is in a data warehouse?

While an OLTP database contains current low-level data and is typically optimized for the selection and retrieval of records, a data warehouse typically contains aggregated historical data and is optimized for particular types of analyses, depending upon the client applications.

What are the four major features of data warehouse?

Characteristics Of A Data Warehouse. The four characteristics of a data warehouse, also called features of a data warehouse, include SUBJECT ORIENTED, TIME VARIANT, INTEGRATED and NON-VOLATILE.

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