hi, i have this query: SELECT count(*) FROM L_VEHICLE, FT_JOURNEY_STREET_CAT, L_STREET_CAT, L_ARG L_ARG2, ( SELECT DISTINCT FT_JOURNEY_STREET_CAT.ID_DRIVE R, FT_JOURNEY_STREET_CAT.ID_VEHIC LE, R_VEHICLE_DRIVER.ID_ARG FROM FT_JOURNEY_STREET_CAT, R_VEHICLE_DRIVER WHERE FT_JOURNEY_STREET_CAT.ID_DRIVE R = R_VEHICLE_DRIVER.ID_DRIVER OR
