data warehouse tutorial

Data Warehouse Delivery Process Now we discuss the delivery process of the data warehouse. Main steps used in data warehouse delivery process…

What is Star Schema? A star schema is the elementary form of a dimensional model, in which data are organized into facts…

Data Warehouse Design A data warehouse is a single data repository where a record from multiple data sources is integrated for online…

Data Warehouse Tutorial Data Warehouse is a relational database management system (RDBMS) construct to meet the requirement of transaction processing systems. It…

Difference between ETL and ELT ETL (Extract, Transform, and Load) Extract, Transform and Load is the technique of extracting the record from…

ETL (Extract, Transform, and Load) Process What is ETL? The mechanism of extracting information from source systems and bringing it into the…

Data Warehouse Modeling Data warehouse modeling is the process of designing the schemas of the detailed and summarized information of the data…

OLAP Operations in the Multidimensional Data Model In the multidimensional model, the records are organized into various dimensions, and each dimension includes…

What is Operational Data Stores? An ODS has been described by Inmon and Imhoff (1996) as a subject-oriented, integrated, volatile, current valued…

Data Warehouse Process Architecture The process architecture defines an architecture in which the data from the data warehouse is processed for a…