IOSR Journal of Engineering
Ensuring data quality for an enterprise data repository various data quality tools are used that focus on this issue. The scope of these tools is moving from specific applications to a more global perspective so as to ensure data quality at every level. A more organized framework is needed to help managers to choose these tools so that the data repositories or data warehouses could be maintained in a very efficient way. Data quality tools are used in data warehousing to ready the data and ensure that clean data populates the warehouse, thus enhancing usability of the warehouse.