select  fu.user_name owner,
        doc.doc_id "Document Id",
        doc.doc_name "Document Name",
        doc.doc_developer_key,
        doc.doc_folder_id,
        doc.doc_created_by,
        doc.doc_created_date,
        doc.doc_updated_by,
        doc.doc_updated_date,
        min(qs.qs_created_date) first_acc,
        max(qs.qs_created_date) Last_Acc
from    disco_apps.eul5_documents doc,
        apps.fnd_user fu,
        disco_apps.eul5_qpp_stats qs
where   '#'||fu.user_id = doc.doc_created_by
        and qs.qs_doc_name=doc.doc_name
        and qs.qs_doc_owner=fu.user_name
        and doc.doc_created_date<qs.qs_created_date
group by fu.user_name,
        doc.doc_id,
        doc.doc_name,
        doc.doc_developer_key,
        doc.doc_folder_id,
        doc.doc_created_by,
        doc.doc_created_date,
        doc.doc_updated_by,
        doc.doc_updated_date
order by doc.doc_updated_date desc;

Find your Discoverer Workbook performance for different Business Areas:

select  ba.ba "Business Area",
        usr.user_name,
        doc.doc_name "Work Book",
        min(qs_act_elap_time) "Fastest",
        max(qs_act_elap_time) "Slowest",
        round(avg(qs_act_elap_time),2) "AVG (s)",
        round(avg(qs_act_elap_time)/60,2) "AVG (m)",
        count(*) "Often",
        doc.doc_created_date,
        min(acc.qs_created_date) "First",
        max(acc.qs_created_date) "Last Access"
from    disco_apps.eul5_documents doc,
        apps.fnd_user usr,
        disco_apps.eul5_qpp_stats acc,
        (select distinct gd_doc_id from disco_apps.eul5_access_privs ) privs,
        (
          select distinct doc.doc_id,ba.ba_name ba
          from disco_apps.eul5_documents doc
          ,disco_apps.eul5_elem_xrefs eex
          ,disco_apps.eul5_ba_obj_links bol
          ,disco_apps.eul5_objs obj
          ,disco_apps.eul5_bas ba
          WHERE doc.doc_id = eex.ex_from_id
          AND eex.ex_to_par_name = obj.obj_name
          AND obj.obj_id = bol.bol_obj_id
          AND bol.bol_ba_id = ba.ba_id
        )ba
where   '#'||usr.user_id=doc.doc_created_by
        And doc.doc_name=acc.qs_doc_name
        And privs.gd_doc_id = doc.doc_id
        And usr.user_name = upper(acc.QS_DOC_OWNER)
        And doc.doc_created_date<acc.qs_created_date
        And doc.doc_id=BA.doc_id
group by ba.ba,
        usr.user_name,
        doc.doc_name,
        doc.doc_created_date;