You can empty the report database by deleting records from all the tables. This
operation cannot be undone. If you think you might want to restore this data at a later
time, take one of the following actions:
Use the following steps to delete report data.
Click Maintenance in the Navigation bar.
A dialog box warns you that this operation removes data from the database
Click OK to delete data, or click
Cancel to cancel the operation.
When you click OK, the process begins, and a dialog
box displays status messages.
When the process is complete, click OK to close the dialog