About this document
Understanding Data Warehousing Concepts by Verma Akash is a document available to read on EtoBox.
The document discusses data warehousing and OLAP. It defines a data warehouse as a subject-oriented, integrated, non-volatile and time-variant collection of data used to support management decisions. The key aspects of data warehousing covered are the ETL process of extracting, transforming and loading data from source systems, building dimensional data marts and metadata. OLAP is described as providing multidimensional analysis of warehoused data through intuitive interfaces to enable fast and consistent a
- Author
- Verma Akash
- Language
- EN