我正在使用Oracle数据库。我需要创建一个XML文件，该文件从某些表中检索数据。我编写了一个查询，该查询为我提供了所需的XML结果。请参阅下面的查询。
现在，我需要：
将查询写到“脚本形式的文件”中，以便我可以从应用程序内部执行该文件。
将参数传递给脚本文件（以选择我想从中获取数据的正确记录-在查询中，我提供的是固定值'E_0015'）。
将查询结果保存在XML文件中。
我如何实现所有这些目标？
select
XMLSerialize(DOCUMENT
XMLElement("Gapi",
XMLAttributes('http://www.w3.org/2001/XMLSchema-instance' as "xmlns:xsi",
'http://www.hmpwjb.com/gapi/WorkOrder' as "xmlns",
'TIW000' as "source_reference",
'WorkOrder' as "name",
'TIW17FNQ' as "destination_reference"),
(
select XMLElement("WorkOrderHeader",
XMLElement("SourceTradingPartner", 'TIW000'),
XMLElement("DestinationTradingPartner", 'TIW17FNQ'),
XMLElement("WorkOrder", WorkOrderHeader.WO_NUM),
XMLElement("WorkOrderDescription", WorkOrderHeader.WO_DESCRIPTION),
XMLElement("ResponsiblePersonID", 'Opr'),
XMLElement("DivisionID", 'COUNTRY'),
XMLElement("SynchIndicatorID", 'A')
, (
select XMLElement("WorkOrderLine",
XMLElement("WorkOrderLineReference", '0001'),
XMLElement("Item", 'ITEM_CODE'),
XMLElement("SynchIndicatorID", 'A'),
XMLElement("SubstitutePriorityMethod", 'Y')
, (
select XMLElement("WorkOrderRoutingHeader",
XMLElement("SynchIndicatorID", 'A'),
XMLElement("Increment", '10')
, (
select XMLElement("WorkOrderRouting",
XMLElement("SynchIndicatorID", 'A'),
XMLElement("Operation", ' 10'),
XMLElement("Function", 'FUNCTION'),
XMLElement("OperationType", 'I'),
XMLElement("WorkCenter", wortg.WC)
, (
select XMLAgg(XMLElement("WorkOrderRoutingTool",
XMLForest('A' as "SynchIndicatorID",
WorkOrderRoutingTool.WO_RTOOL_SEQ as "ToolSeq",
WorkOrderRoutingTool.TOOL as "ToolID",
cast(WorkOrderRoutingTool.QTY as varchar(100)) as "ToolQuantity"))
order by WorkOrderRoutingTool.WO_RTOOL_SEQ
)
from WO_RTOOL WorkOrderRoutingTool
where WorkOrderRoutingTool.WO_NUM = WorkOrderHeader.WO_NUM
)
)
from WO_HDR WorkOrderRouting
left outer join WO_RTG wortg
on wortg.CCN = WorkOrderRouting.CCN and wortg.MAS_LOC = WorkOrderRouting.MAS_LOC and
wortg.WO_NUM = WorkOrderRouting.WO_NUM
where WorkOrderRouting.WO_NUM = WorkOrderHeader.WO_NUM
)
, (
select XMLElement("WorkOrderRoutingAddendum",
XMLElement("SynchIndicatorID", 'A'))
from WO_HDR WorkOrderRoutingAddendum
where WorkOrderRoutingAddendum.WO_NUM = WorkOrderHeader.WO_NUM
)
)
from WO_HDR WorkOrderRoutingHeader
where WorkOrderRoutingHeader.WO_NUM = WorkOrderHeader.WO_NUM
)
)
from WO_HDR WorkOrderLine
where WorkOrderLine.WO_NUM = WorkOrderHeader.WO_NUM
)
,(
select XMLElement("WorkOrderLineAddendum",
XMLElement("SynchIndicatorID", 'A'),
XMLElement("PlanningStatus", '4'),
XMLElement("ManufacturingStatus", '2'))
from WO_HDR WorkOrderLineAddendum
where WorkOrderLineAddendum.WO_NUM = WorkOrderHeader.WO_NUM
)
)
from WO_HDR WorkOrderHeader
where WorkOrderHeader.WO_NUM = ' E_0015'
)
)
AS BLOB ENCODING 'utf-8' VERSION '1.0' INDENT) as "XML"
from dual;