Database: cre_Doc_and_collections
Question: List id of documents that in collection named Best but not in document subset Best for 2000.
SQL:
SELECT DISTINCT T2.Document_Object_ID FROM Collections AS T1 JOIN Documents_in_Collections AS T2 ON T1.Collection_ID = T2.Collection_ID WHERE T1.Collection_Name = "Best" EXCEPT SELECT DISTINCT T3.Document_Object_ID FROM Document_Subset_Members AS T3 JOIN Document_Subsets AS T4 ON T3.Document_Subset_ID =  T4.Document_Subset_ID WHERE T4.Document_Subset_Name = "Best for 2000"