Purging can done be done via the Console.
If you want to purge the data directly in the database, execute the following SQL.
delete from wli_qs_report_data rd where exists ( select 'x' from wli_qs_report_attribute ra where ra.msg_guid = rd.msg_guid and ra.db_timestamp < trunc(sysdate) - 7 ); delete from wli_qs_report_attribute ra where ra.db_timestamp < trunc(sysdate) - 7; alter table wli_qs_report_data deallocate unused; alter table wli_qs_report_data enable row movement; alter table wli_qs_report_data shrink space compact; alter table wli_qs_report_attribute deallocate unused; alter table wli_qs_report_attribute enable row movement; alter table wli_qs_report_attribute shrink space compact;