Query to fetch purchase requisition and purchase order details in oracle apps r12
SELECT hou.name ou_name, prh.segment1 requisition_num, prh.creation_date, prh.created_by, poh.agent_id, poh.po_header_id, poh.segment1 po_num, ppx.full_name Requestor_Name, prh.description Req_Description, auth_status.displayed_field authorization_status, prh.org_id, prh.note_to_authorizer, req_type.displayed_field type_lookup_code, prl.catalog_type, prl.blanket_po_header_id, ...