Table of Contents
1 - Domain of Data Quality
The data quality occurs on the data. It's then a central element of all database and you will find it in two main domains :
- The management of non-transactional data with the Master Data Management (MDM)
- The management of transactional data during the loading process.
The goal is to improve all the Data Quality - Metrics. They are all often coupled to the datawarehouse properties.
The appearance of a hole in the earth's ozone layer over Antarctica, first detected in 1976, was so unexpected that scientists didn't pay attention to what their instruments were telling them; they thought their instruments were malfunctioning. National Center for Atmospheric Research