USE SwissIndex_Products_Work
GO

DECLARE @t TABLE (ItemType VARCHAR(100), IndexCode INT, Dt DATETIME, INDEX IxDt (Dt))
INSERT INTO @t (ItemType, IndexCode, Dt)
SELECT ItemType, IndexCode, Dt
FROM (
SELECT ItemType, 128 AS IndexCode, MIN(Db_InsDT) AS Dt
FROM dbo.QuarantineItems
WHERE NOT ItemType = 'ARTICLE'
GROUP BY ItemType
UNION ALL
SELECT ItemType, IndexCode, MIN(Db_InsDT) AS Dt
FROM dbo.QuarantineItems
WHERE ItemType = 'ARTICLE'
GROUP BY ItemType, IndexCode
) g

SELECT * FROM @t
ORDER BY Dt