Assigning a Reorganization Schema to an Attribute Group 
Use
You can define your own reorganization schema and assign it to an
attribute group. The performance data held in the performance database for this attribute group is then reorganized according to the schema you have defined.Procedure
Result
The system reorganizes the performance data for the specified attribute according to the specified reorganization schema.
See also:
Using the Performance Database Creating and Scheduling a Reorganization Schema