How I solved it, using a workaround.
I created a new table using the following query
SELECT Lokacija.ID, Lokacija.[ID Inventar], Edm2012.x, Edm2012.y, Edm2012.z, Edm2012.EDM INTO new
FROM Lokacija, Edm2012
WHERE Lokacija.Edm_Br=Edm2012.EDM;
The query put in the new table the fields that I...