Porter James

A Tale of Partition Schemes and Disappearing Dragons

A tale in which is detailed how I used SWITCH PARTITION to efficiently load my data and save myself from the flaming jaws of death.

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2017-10-20 (first published: 2015-11-02)

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I have this table in a SQL Server 2025 database:

CREATE TABLE [dbo].[CustomerOrder]
(
[OrderID] [int] NULL,
[CustomerID] [int] NULL,
[total] [money] NULL
) ON [PRIMARY]
GO

What is returned from this code? (answers are for the sum and then the count)

SELECT SUM(total) AS sum,
       COUNT(total) AS count
FROM dbo.CustomerOrder;