SQL Server insert与Select组合使用的方法 |
本文标签:SQL Server insert SQL Server insert语句是SQL中最常见也是最重要的语句之一,下文将为您解读SQL Server insert与Select组合使用的方法,供您参考 。 SQL Server中有示例数据库Northwind 。新建表Sales用于存储销售信息,字段为EmployeeID,ProductID,SupplierID,CustomerID,OrderDate,UnitPrice,Total,Quantity,Discount 。 下面的语句从Orders,Order Details, Employees,Products, Suppliers, Customers表选择相应的 数据插入Sales表: insert into Sales(EmployeeID,ProductID,SupplierID,CustomerID, OrderDate,UnitPrice,Total,Quantity,Discount) select e.EmployeeID, p.ProductID, s.SupplierID, c.CustomerID, o.OrderDate, od.UnitPrice, od.Quantity*od.UnitPrice*(1.0-od.Discount)Total, Od.Quantity, od.Discount from Orders o,[Order Details] od, Employees e, Products p, Suppliers s, Customers c where (o.OrderID = od.OrderID) and (o.EmployeeID = e.EmployeeID) and (o.CustomerID = c.CustomerID) and (od.ProductId = p.ProductID) and (p.SupplierID = s.SupplierID);
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