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RANK() Function in SQL Server

  • Last Updated : 18 Sep, 2020

The RANK() function is a window function could be used in SQL Server to calculate a rank for each row within a partition of a result set. 

The same rank is assigned to the rows in a partition which have the same values. The rank of the first row is 1. The ranks may not be consecutive in the RANK() function as it adds the number of repeated rows to the repeated rank to calculate the rank of the next row. 

Syntax : 
 

RANK() OVER (
   [PARTITION BY expression, ]
   ORDER BY expression (ASC | DESC) );

Example – 
Let us create a table geek_demo that has only column Name : 

 



CREATE TABLE geek_demo (Name VARCHAR(10) );

Now, insert some rows into the sales.rank_demo table : 
INSERT INTO geek_demo (Name) 

 

VALUES('A'), ('B'), ('B'), ('C'), ('C'), ('D'), ('E');

Select data from the geek_demo table : 
 

SELECT * 
FROM sales.geek_demo; 

 

Name
A
B
B
C
C
D
E

Let us use RANK() to assign ranks to the rows in the result set of geek_demo table : 

 

SELECT Name, 
RANK () OVER (
ORDER BY Name
) AS Rank_no 
FROM geek_demo;

Output – 

 

NameRank_no
A1
B2
B2
C4
C4
D6
E7
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