Data virtualisation is a way to data management that lets an application to fetch and shape data. without needing technical details about the data. Such as how is the source format, or where the location is and can provide a single customer view of the data.
Unlike the traditional extract, transform & load ("ETL") process, the data remains in place. Real-time access given to the source system for the data. This reduces the risk of data errors. The workload moving data around that may never use, and it does not attempt to impose a single data model on the data. The technology also supports the writing of transaction data updates back to the source systems. This concept and software is a subset of data integration. It is generally used within business intelligence, service-oriented architecture data services, cloud computing, enterprise search and master data management. Read more