SELECT S1.*
FROM INVENTORY.BLC_SKU_INVENTORY S1
JOIN
(SELECT LOCATION_ID, SKU_CODE, COUNT(SKU_CODE)
FROM INVENTORY.BLC_SKU_INVENTORY
GROUP BY LOCATION_ID, SKU_CODE
HAVING COUNT(*) > 1) S2
ON S1.LOCATION_ID = S2.LOCATION_ID AND S1.SKU_CODE = S2.SKU_CODE
ORDER BY S1.LOCATION_ID;