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Editorial Team
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Asked: 2026-05-23T18:18:36+00:00

i have a table like ID | Name | Rank 1 Name1 2 Name2

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i have a table like

  ID |  Name  |  Rank
    1  Name1  
    2  Name2  
    1  Name3  
    2  Name4  
    3  Name5  
    1  Name6
    1  Name7

My result should be this: 

  ID |  Name  |  Rank
    1  Name1     1
    2  Name2     1 
    1  Name3     2
    2  Name4     2 
    3  Name5     1 
    1  Name6     3
    1  Name7     4

I found this: Rank over(order by name) but it will rank the whole table. How do I do a rank grouped by ID?

UPDATE:

I’m sorry guys. Michael Ames provided perfectly right answer. But I need the same thing with WHERE condition. I misinterpreted the question and I’m sorry. The real question is this:
So I need to rank all names where Client is not null order by Name Group by ID.
I have these tables: 

   ID |  Name  |  Client | Rank
        1  Name1  Client1
        2  Name2  NULL
        1  Name3  Client2
        2  Name4  Client3
        3  Name5  Client4
        1  Name6  NULL
        1  Name7  Client5

My result should be this: 

      ID |  Name |  Client | Rank
        1  Name1  Client1     1
        2  Name2  NULL
        1  Name3  Client2     2
        2  Name4  Client3     1
        3  Name5  Client4     1
        1  Name6  NULL        
        1  Name7  Client5     3
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1 Answer

  1. Editorial Team

    Easy peasy:

    The following example ranks each name, grouped by their ID:

    SELECT ID, Name, Rank() OVER (PARTITION BY ID ORDER BY Name ASC) as Rank
FROM Names
ORDER BY Name ASC

    The following example ranks each name, grouped by their ID, but skipping records where Client is null:

    SELECT ID, Name, Client, Rank() OVER (PARTITION BY ID ORDER BY Name ASC) as Rank
FROM Names 
WHERE Client IS NOT NULL

    And finally, the following example uses the results from the previous example to update the table with the appropriate ranks:

    UPDATE Names 
SET Rank = ranks.rank
FROM
  (SELECT ID, Name, Client, Rank() OVER (PARTITION BY ID ORDER BY Name ASC) as Rank
  FROM Names 
  WHERE Client IS NOT NULL
  ) ranks
WHERE Names.Name = ranks.Name

    On the last example, if Name is not unique, you’ll very likely want to change the WHERE clause to match on a unique identifier.

    Some reasonably comprehensible documentation here: http://msdn.microsoft.com/en-us/library/ms176102.aspx

    Good luck!

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