我设计了以下查询来从Oracle系统中提取一些数据。查询工作正常并提取正确的信息。问题在于应该返回Puchase Order（PO_TOTAL_VALUE字段）总值的列。这应该返回组成采购订单的三个项目的总和。相反，它会返回一些与采购订单的三个订单项无关的未知总计。我还在Access的设计视图中发布了一些查询的屏幕截图。谁能告诉我，我做错了什么？
SELECT APPS_PO_HEADERS_ALL.PO_HEADER_ID, APPS_PO_HEADERS_ALL.SEGMENT1, APPS_PO_REQUISITION_LINES_ALL.ATTRIBUTE1, IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="","-",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="APW","AGREEMENT FOR PERFORMANCE OF WORK",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="APWEMER","AGREEMENT FOR PERFORMANCE OF WORK - EMERGENCY",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="CONS","CONSULTANT",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="CONCEMER","CONSULTANT - EMERGENCY",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="DFC","DIRECT FINANCIAL CONTRIBUTION",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="FELLOW","FELLOWSHIP",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="GENEXT","GENERAL EXTERNAL SERVICES",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="IMPRESTCC","IMPREST/CREDIT CARD",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="IS","INTERNAL SERVICES",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="LOA","LETTER OF AGREEMENT",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="TSA","TECHNICAL SERVICE AGREEMENT")))))))))))) AS [DOCUMENT TYPE (SERVICES)], IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="","-",IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="UN","Procurement for UN/NGO",IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="SP","Standard Procurement",IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="RP","Reimbursable Procurement",IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="EMER","EMERGENCY"))))) AS [DOCUMENT TYPE (GOODS)], HR_HR_ALL_ORGANIZATION_UNITS.NAME, APPS_PO_HEADERS_ALL.CREATION_DATE, APPS_PO_HEADERS_ALL.AUTHORIZATION_STATUS, APPS_PO_HEADERS_ALL.APPROVED_DATE, APPS_PO_HEADERS_ALL.COMMENTS, APPS_PO_HEADERS_ALL.CLOSED_DATE, APPS_PO_HEADERS_ALL.CLOSED_CODE, AP_AP_INVOICE_DISTRIBUTIONS_ALL.INVOICE_ID, AP_AP_INVOICES_ALL.INVOICE_TYPE_LOOKUP_CODE, APPS_PO_VENDORS.VENDOR_NAME, APPS_PO_HEADERS_ALL.VENDOR_ID, AP_AP_INVOICES_ALL.INVOICE_DATE, AP_AP_INVOICES_ALL.INVOICE_NUM, AP_AP_INVOICES_ALL.INVOICE_AMOUNT, AP_AP_INVOICES_ALL.INVOICE_CURRENCY_CODE, AP_AP_INVOICES_ALL.GL_DATE, AP_AP_INVOICES_ALL.PAYMENT_CURRENCY_CODE, AP_AP_INVOICES_ALL.PAYMENT_CROSS_RATE, AP_AP_INVOICES_ALL.DESCRIPTION, AP_AP_INVOICES_ALL.EXCHANGE_RATE, AP_AP_INVOICES_ALL.BASE_AMOUNT, Sum(IIf(Nz([APPS_PO_LINES_ALL]![QUANTITY],0)*Nz([APPS_PO_LINES_ALL]![UNIT_PRICE],0)*Nz([APPS_PO_DISTRIBUTIONS_ALL]![RATE],1)=0,Nz([APPS_PO_LINES_ALL]![AMOUNT],0)*Nz([APPS_PO_DISTRIBUTIONS_ALL]![RATE],1),Nz([APPS_PO_LINES_ALL]![QUANTITY],0)*Nz([APPS_PO_LINES_ALL]![UNIT_PRICE],0)*Nz([APPS_PO_DISTRIBUTIONS_ALL]![RATE],1))) AS PO_TOTAL_VALUE, APPS_PO_LINES_ALL.QUANTITY, APPS_PO_LINES_ALL.UNIT_PRICE, APPS_PO_LINES_ALL.AMOUNT, APPS_PO_DISTRIBUTIONS_ALL.Rate
FROM (((((((((((APPS_PO_HEADERS_ALL LEFT JOIN APPS_PO_DISTRIBUTIONS_ALL ON APPS_PO_HEADERS_ALL.PO_HEADER_ID = APPS_PO_DISTRIBUTIONS_ALL.PO_HEADER_ID) LEFT JOIN APPS_PO_REQ_DISTRIBUTIONS_ALL ON APPS_PO_DISTRIBUTIONS_ALL.REQ_DISTRIBUTION_ID = APPS_PO_REQ_DISTRIBUTIONS_ALL.DISTRIBUTION_ID) LEFT JOIN APPS_PO_REQUISITION_LINES_ALL ON APPS_PO_REQ_DISTRIBUTIONS_ALL.REQUISITION_LINE_ID = APPS_PO_REQUISITION_LINES_ALL.REQUISITION_LINE_ID) LEFT JOIN APPS_PA_PROJECTS_ALL ON APPS_PO_DISTRIBUTIONS_ALL.PROJECT_ID = APPS_PA_PROJECTS_ALL.PROJECT_ID) LEFT JOIN AP_AP_INVOICE_DISTRIBUTIONS_ALL ON APPS_PO_DISTRIBUTIONS_ALL.PO_DISTRIBUTION_ID = AP_AP_INVOICE_DISTRIBUTIONS_ALL.PO_DISTRIBUTION_ID) LEFT JOIN AP_AP_INVOICES_ALL ON AP_AP_INVOICE_DISTRIBUTIONS_ALL.INVOICE_ID = AP_AP_INVOICES_ALL.INVOICE_ID) LEFT JOIN HR_HR_ALL_ORGANIZATION_UNITS ON APPS_PA_PROJECTS_ALL.CARRYING_OUT_ORGANIZATION_ID = HR_HR_ALL_ORGANIZATION_UNITS.ORGANIZATION_ID) LEFT JOIN APPS_XXWRP_SERVICE_REG_ALL ON APPS_PO_HEADERS_ALL.PO_HEADER_ID = APPS_XXWRP_SERVICE_REG_ALL.PO_HEADER_ID) LEFT JOIN APPS_PO_VENDORS ON APPS_PO_HEADERS_ALL.VENDOR_ID = APPS_PO_VENDORS.VENDOR_ID) LEFT JOIN APPS_PO_LINES_ALL ON (APPS_PO_DISTRIBUTIONS_ALL.PO_HEADER_ID = APPS_PO_LINES_ALL.PO_HEADER_ID) AND (APPS_PO_DISTRIBUTIONS_ALL.PO_LINE_ID = APPS_PO_LINES_ALL.PO_LINE_ID)) LEFT JOIN APPS_XXWRP_GOODS_LINES_ALL ON APPS_PO_HEADERS_ALL.PO_HEADER_ID = APPS_XXWRP_GOODS_LINES_ALL.PO_HEADER_ID) LEFT JOIN APPS_XXWRP_GOODS_REG_ALL ON APPS_XXWRP_GOODS_LINES_ALL.REGISTRATION_ID = APPS_XXWRP_GOODS_REG_ALL.REGISTRATION_ID
GROUP BY APPS_PO_HEADERS_ALL.PO_HEADER_ID, APPS_PO_HEADERS_ALL.SEGMENT1, APPS_PO_REQUISITION_LINES_ALL.ATTRIBUTE1, IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="","-",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="APW","AGREEMENT FOR PERFORMANCE OF WORK",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="APWEMER","AGREEMENT FOR PERFORMANCE OF WORK - EMERGENCY",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="CONS","CONSULTANT",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="CONCEMER","CONSULTANT - EMERGENCY",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="DFC","DIRECT FINANCIAL CONTRIBUTION",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="FELLOW","FELLOWSHIP",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="GENEXT","GENERAL EXTERNAL SERVICES",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="IMPRESTCC","IMPREST/CREDIT CARD",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="IS","INTERNAL SERVICES",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="LOA","LETTER OF AGREEMENT",IIf([APPS_XXWRP_SERVICE_REG_ALL]![DOCUMENT_TYPE]="TSA","TECHNICAL SERVICE AGREEMENT")))))))))))), IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="","-",IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="UN","Procurement for UN/NGO",IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="SP","Standard Procurement",IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="RP","Reimbursable Procurement",IIf([APPS_XXWRP_GOODS_REG_ALL]![PROCUREMENT_TYPE]="EMER","EMERGENCY"))))), HR_HR_ALL_ORGANIZATION_UNITS.NAME, APPS_PO_HEADERS_ALL.CREATION_DATE, APPS_PO_HEADERS_ALL.AUTHORIZATION_STATUS, APPS_PO_HEADERS_ALL.APPROVED_DATE, APPS_PO_HEADERS_ALL.COMMENTS, APPS_PO_HEADERS_ALL.CLOSED_DATE, APPS_PO_HEADERS_ALL.CLOSED_CODE, AP_AP_INVOICE_DISTRIBUTIONS_ALL.INVOICE_ID, AP_AP_INVOICES_ALL.INVOICE_TYPE_LOOKUP_CODE, APPS_PO_VENDORS.VENDOR_NAME, APPS_PO_HEADERS_ALL.VENDOR_ID, AP_AP_INVOICES_ALL.INVOICE_DATE, AP_AP_INVOICES_ALL.INVOICE_NUM, AP_AP_INVOICES_ALL.INVOICE_AMOUNT, AP_AP_INVOICES_ALL.INVOICE_CURRENCY_CODE, AP_AP_INVOICES_ALL.GL_DATE, AP_AP_INVOICES_ALL.PAYMENT_CURRENCY_CODE, AP_AP_INVOICES_ALL.PAYMENT_CROSS_RATE, AP_AP_INVOICES_ALL.DESCRIPTION, AP_AP_INVOICES_ALL.EXCHANGE_RATE, AP_AP_INVOICES_ALL.BASE_AMOUNT, APPS_PO_LINES_ALL.QUANTITY, APPS_PO_LINES_ALL.UNIT_PRICE, APPS_PO_LINES_ALL.AMOUNT, APPS_PO_DISTRIBUTIONS_ALL.Rate
HAVING (((APPS_PO_HEADERS_ALL.SEGMENT1)="201127602") AND ((APPS_PO_HEADERS_ALL.CREATION_DATE)>[AP_AP_INVOICES_ALL]![INVOICE_DATE]));
答案 0 :(得分：0)
最后，我通过基于查询创建访问报告并在报告本身中计算每个采购订单的总价值来解决问题。
