SQL Window Functions Series: RANK() and DENSE_RANK()
Welcome to the fascinating world of SQL window functions! Today, we'll explore in detail: RANK() and DENSE_RANK().
2023-11-20 (first published: 2023-11-15)
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Ranking Functions
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SQL Server Ranking Functions
SQL Server includes a subset of four ranking functions that can be used to rank the rows of your result set over a partition. This article presents those functions and examples of their use.
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How to use ranking functions in SQL Server 2005
With ranking functions in SQL Server 2005, you can rank rows in result sets. This tip defines rank functions and gives examples of how to use the four available functions.
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Question of the Day
The Empty Aggregate
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] GOWhat 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;
See possible answers