Question

I have the following table and data

docRefID docExternalContent
 1       'a'
 1       'b'
 1       'c'
 2       'd'
 2       'e'

I want to know if it’s possible that query will insert additional colum rowNumber and auto increment based on docRefID e.g

docRefID docExternalContent rowNumber
 1       'a'                1  
 1       'b'                2 
 1       'c'                3
 2       'd'                1
 2       'e'                2

and so on…. I tried using ROW_NUMBER() OVER but it is working independent of docRefID.

Any help will be appricated. Thanks

Answer 1

ROW_NUMBER() OVER(PARTITION BY docRefID ORDER BY docExternalContent)