SQL Server : query columns to JSON object with group by

Question

I have a table with 3 columns, I want to query that table such that the result will be a JSON object.

Sample data looks like this:

 CREATE TABLE #Test (         


        

Answer 1

Posting this if any one has the same sort of use case

SELECT [t].[ID], 
(SELECT [t1].[KEYS], [t1].[ValueV] FROM @Test t1 WHERE t1.[ID] = [t].id FOR JSON PATH ) a
FROM @Test AS [t]
GROUP BY [t].[ID]