Page Comparison

SELECT 
 obj.objectID objectID,
 acc.objectID acquisitionID
FROM
 Objects obj, 
 Associations oa,
 Objects acc
WHERE
 obj.IsVirtual = 0 AND obj.IsTemplate = 0 
 AND acc.IsVirtual = 1 AND acc.IsTemplate = 0 AND acc.objectNumber LIKE 'ACC%'
 AND obj.objectID = oa.ID2 
 AND oa.ID1 = acc.objectID 
;

UNION ALL
SELECT
 obj.objectID objectID,
 acc.objectID acquisitionID
FROM
 Objects obj,
 ObjAccession oa,
 Objects acc
WHERE 
 obj.IsVirtual = 0 AND obj.IsTemplate = 0 
 AND acc.IsVirtual = 1 AND acc.IsTemplate = 0 AND acc.objectNumber LIKE 'ACC%'
 AND obj.objectID = oa.objectID
 AND (CASE WHEN oa.acquisitionNumber NOT LIKE 'ACC.%' THEN 'ACC.' END) + REPLACE(oa.acquisitionNumber, ' ', '') = acc.objectNumber
 AND obj.objectID NOT IN 
  (SELECT
    obj.objectID
  FROM
    Objects obj,
    Associations oa,
    Objects acc
  WHERE
    obj.IsVirtual = 0 AND obj.IsTemplate = 0 
    AND acc.IsVirtual = 1 AND acc.IsTemplate = 0 AND acc.objectNumber LIKE 'ACC%'
    AND obj.objectID = oa.ID2 
    AND oa.ID1 = acc.objectID 
  )
;