Introduction to Online Analytical Processing and Data Mart

Introduction to Online Analytical Processing and Data Mart

Introduction to Online Analytical Processing and Data Mart Online Analytical Processing OLAP is computer processing that enables a user to easily and selectively extract and view data from different point of view. OLAP is best known technology that allows a user to slice and dice data or drill-down into data. OLAP is technology that uses … Read more

Introduction to Data Warehouse

A data warehouse is a relational database that is designed for query and analysis rather than for transaction processing

Introduction to Data Warehouse A data warehouse is a relational database that is designed for query and analysis rather than for transaction processing. It usually contains historical data derived from transaction data, but it can include data from other sources. There are two approaches to data warehousing, top down and bottom up. The top down … Read more