I have a query that looks like this:
SELECT NB_CLIENTS.C_ID, NB_CLIENTS.C_Name, NB_CLIENTS.Transit_ID, QDef_1.Cost AS P1, QDef_2.Cost AS P2, QDef_3.Cost AS P3, [P3]-[P2] AS VAR, IIf([P2]=0,0,([P3]-[P2])/[P2]) AS FLUCT, IIf([P1]=0,'INACTIVE','ACTIVE') AS STATUS INTO NB_ANALYSIS
FROM ((NB_CLIENTS...