问题描述 sql查询问题,求大神帮忙 创建了一个视图进行多表查询,如下 SELECT t.SalesInvoiceCode AS ERP发票号, t.BillDate AS 开票日期, t.BillToParty AS 客户代码, t.BillToName AS 客户名称, t.PostYear AS 年, t.PostPeriod AS 月, t.TaxControlCode AS 金税发票号, t.TotalValue AS 发票金额, t.TotalValue - t.ReceiptVal