How to write query SQL row_number ascending when 1 column changed

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~~https://hosting.photobucket.com/images/i/lamvn74/Row_number_Picture.jpg?width=285&height=175&fit=bounds&crop=fill[^]~~

Please Help me !!!

Details from picture:
Table:

Row_Number1 | Row_Number2 | GroupJobID | JobID
----------------------------------------------
1           | 1           | 6200       | A001
1           | 2           | 6200       | A002
2           | 1           | 6202       | A003
2           | 2           | 6202       | A004
2           | 3           | 6202       | A005
3           | 1           | 6201       | A006
3           | 2           | 6201       | A007
3           | 3           | 6201       | A008
3           | 4           | 6201       | A009
4           | 1           | 6202       | A010
5           | 1           | 6201       | A011

How to write query Row_Number1 according to JobGroupID when JobGroupID changed.

What I have tried:

SQL

SELECT
    ROW_NUMBER() OVER (PARTITION BY JobGroupID ORDER BY JobGroupID) As RowNumber2,
    JobGroupID,
    JobID
FROM
    ABC
ORDER BY
    ABC.Orders ASC

Posted 15-Oct-20 17:00pm

Member 14836421

Updated 15-Oct-20 22:50pm

Richard Deeming

v2

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Richard Deeming 16-Oct-20 4:05am

If you want to ask a question, then ask a question. Do not put your question in a picture on an external site!

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Maciej Los · Answer 1 · 2020-10-15T22:50:00

Solution 1

You requirement is not quite clear...

Try this:

SQL

SELECT RowNumber1, GroupJobID, JobID, ROW_NUMBER() OVER(PARTITION BY RowNumber1, GroupJobID ORDER BY JobID) RowNumber2
FROM Jobs

db<>fiddle[^]

Posted 15-Oct-20 22:50pm

Maciej Los