Data warehouses are usually full with dirty data. So obviously the question about how clear is our data warehouse is wrong. Data represent as kind of source in company life as any other assets. So we have to take care of them. Are you addressing dirty data? Which tools are available and what we have to know about them? How we have to address dirty data? Let’s clarify the tools. Data quality Data quality usually focus on data movements from database A to database B. This data quality tools can make changes. The process it is very comparable to an ETL tool, but the difference is that Data quality make […]
