Importance of metadata
- Metadata model in pentaho gives an encapsulation about the physical definitions of your database into a logical representation and define relationships between them.
- These mappings are stored in a central repository and permits administrators and developers to create business-logical DB tables that are cost effective and optimized.
- It simplifies the working of business users permitting them to build formatted reports and dashboards gives security to data access.
![meta editor](https://cdn.wikitechy.com/interview-questions/Pentaho/metaeditor.png)