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DECLARE @json NVARCHAR(MAX) = N'[{ "ID": 1, "Roles": [1, 2] }, { "ID": 2, "Roles": [1, 2, 3] }, { "ID": 3, "Roles": [1, 2, 3, 4] }]'; DECLARE @userid int = 3; DECLARE @a TABLE (ID INT, ROLE INT); INSERT INTO @a VALUES (1, 2), (2, 2), (3, 3); INSERT INTO @a SELECT ID, R.[Value] AS [Role] FROM OPENJSON(@json) WITH ( ID INT, [Roles] NVARCHAR(MAX) AS JSON ) CROSS APPLY OPENJSON([Roles]) R EXCEPT SELECT ID, ROLE FROM @a; SELECT * FROM @a ORDER BY ID, ROLE
ID
ROLE
1
1
1
2
2
1
2
2
2
3
3
1
3
2
3
3
3
4