delete from document_activity_data;
delete from document_activity_container;
delete from document_person_reference_da_0;
delete from document_person_reference_co_0;
delete from document_attachment;
delete from document_attachment_container;
delete from document_reference_data;
delete from document_reference_container;
delete from document_proposal_container;
delete from document_proposal_data;
delete from document_detail_data;
delete from document_detail_container;
delete from document_data;
delete from document_container_element;
delete from document_status_container;