Poor data quality costs businesses vast amounts of money every year. Defective data leads to breakdowns in the supply chain, poor business decisions and inferior customer relationship management. .Data is a core asset that needs to be managed if your organization is to generate a return from it Providing the infrastructure to maintain high quality data in-house means data owners can very quickly achieve important benefits, including: cost savings, better decision making, improved service and more streamlined supply chain management. 1. Data Profiling Assess data completeness, Conformity, consistency. 2. Data Matching Assess data duplication, Integrity, data accuracy. 3. Data Improve data completeness, Standardization conformity, consistency. 4. Data Remove duplicates, replace inaccurate data.