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Functionality of Data Warehouses and Building a Data Warehouse

Data warehouses exist to facilitate complex, data-intensive, and frequent adhoc queries. The data warehouse access component supports enhanced spreadsheet functionality, efficient query processing, structured and adhoc queries, data mining, and materialized views. These offer pre-programmed functionalities such as : – Roll-up : Data is summarized with increasing generalization. – Drill-down : Increasing levels of details […]

Introduction To Data Warehousing

A data warehouse is a type of computer database that is responsible for collecting and storing the information of a particular organization. The goal of using a data warehouse is to have an efficient way of managing information and analyzing data. In addition to a relational database, a data warehouse environment includes an extraction, transportation, […]