How to delete MDS content of an application?

Below steps tell you how to delete MDS content of an application from EM console. 

• Login to weblogic EM console
• Under the domain (on left hand side), expand "Metadata Repositories" and select the target MDS. In this example, it is "mds-SpacesDS"

                               

• You can see the list of partitions under the section "Repository Partitions" 
• Select the target partition

                    

• Click on "Delete..." button on top of the list and confirm
• MDS content of the partition will be deleted.