CREATE TABLE [dbo].[Orders](
	[OrderID] [int] NOT NULL,
	[CustomerId] [int] NOT NULL,
	[Total] [money] NOT NULL,
 CONSTRAINT [PK_Orders] PRIMARY KEY CLUSTERED 
(
	[OrderID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

GO

select OrderId, CustomerID, Total, Sum(Total) over(partition by CustomerID)
from dbo.Orders

                    <Predicate>
                      <ScalarOperator ScalarString="(1)">
                        <Const ConstValue="(1)" />
                      </ScalarOperator>
                    </Predicate>

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