select * from po_requisition_headers_all 请求头
select * from po_requisition_lines_all 请求行
select * from po_headers_all 订单头
select * from po_lines_all 订单行
select * from po_line_locations_all
select * from po_distributions_all 分配
select * from po_releases_all 发送
select * from rcv_shipment_headers 采购接收头
select * from rcv_shipment_lines 采购接收行
select * from rcv_transactions 接收事务处理
select * from po_agents
select * from po_vendors 订单
select * from po_vendor_sites_all